Green color · CSS named color

Dark Sea Green Color Code: #8FBC8F

The HEX code for Dark Sea Green is #8FBC8F. It is a medium-light, soft green color made of 143 red, 188 green and 143 blue (HSL 120°, 25%, 65%). Black text reads best on it (9.75:1 contrast).

Dark Sea Green color values

HEX #8FBC8F
RGB rgb(143, 188, 143)
HSL hsl(120, 25%, 65%)
HSV 120, 24%, 74%
HWB hwb(120 56% 26%)
CMYK 24%, 0%, 24%, 26%
Decimal 9419919
CSS keyword darkseagreen
65%HSL lightness (medium-light)
25%HSL saturation (soft)
120°Hue angle (green)
0.438Relative luminance

CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.

What is Dark Sea Green?

Dark Sea Green is one of the named colors defined by the CSS Color specifications (keyword “darkseagreen”), so every modern browser understands it without a hex code.

Its hue angle of 120° places it in the green part of the color wheel, with 25% saturation (soft) and 65% lightness (medium-light). It sits between warm and cool.

Compared with the other green colors in the Aqeeb Studio library, it is lighter than 77% of them and more saturated than 2% of them.

Its relative luminance is 0.438, which makes it a light color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.

Dark Sea Green counts as a light color: its HSL lightness is 65% and its relative luminance is 0.438. Black text reads best on it (9.75:1 contrast).

Text contrast on Dark Sea Green

WCAG contrast of white and black text on Dark Sea Green
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 2.15:1 Poor Fail Fail Fail Fail
Black text Sample text 9.75:1 Excellent Pass Pass Pass Pass

Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.

Colors that go with Dark Sea Green

Complementary color

Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.

Analogous colors

Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.

Triadic colors

A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.

Split-complementary colors

Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.

Tetradic colors

A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.

Monochromatic variants

Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.

#467646#467646
#62A162#62A162
#8FBC8F#8FBC8F
#BCD7BC#BCD7BC
#E8F1E8#E8F1E8

A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.

Tints and shades of Dark Sea Green

Lighter tints (mixed with white)

Darker shades (mixed with black)

Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.

Where to use Dark Sea Green

  • Card, highlight and section backgrounds with dark text (9.75:1 contrast with black)
  • Calm backgrounds, editorial layouts and understated UI elements
  • Calm backgrounds and section fills
  • Success and confirmation states (with a label or icon)
  • Eco, health and finance-style branding
  • Charts, maps and nature illustrations

Dark Sea Green appears in these curated palettes: Forest (Green Color Palettes), Moss and Stone (Green Color Palettes), Forest Night (Dark Color Palettes).

Use Dark Sea Green in CSS

:root {
  --color-dark-sea-green: #8FBC8F;
}

.element {
  color: var(--color-dark-sea-green);
  background-color: #8FBC8F;
  border: 2px solid #8FBC8F;
}

Questions about Dark Sea Green

What is the HEX code for Dark Sea Green?

Dark Sea Green is #8FBC8F.

What is the RGB value of Dark Sea Green?

The RGB value of Dark Sea Green is 143, 188, 143: 143 red, 188 green and 143 blue on a 0–255 scale, written rgb(143, 188, 143) in CSS.

What is the HSL value of Dark Sea Green?

The HSL value of Dark Sea Green is 120°, 25%, 65% (hue, saturation, lightness), written hsl(120, 25%, 65%) in CSS.

What is the CMYK value of Dark Sea Green?

A standard conversion gives about C 24%, M 0%, Y 24%, K 26%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Dark Sea Green a light or dark color?

Dark Sea Green counts as a light color: its HSL lightness is 65% and its relative luminance is 0.438. Black text reads best on it (9.75:1 contrast).

How does Dark Sea Green look with white text?

White text on Dark Sea Green has a contrast ratio of 2.15:1, rated Poor. It falls below the WCAG minimum for text.

How does Dark Sea Green look with black text?

Black text on Dark Sea Green has a contrast ratio of 9.75:1, rated Excellent. It meets WCAG AA for normal text.

What colors go well with Dark Sea Green?

Dusty Lavender is its complementary color, and Lichen sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Dark Sea Green be used?

It suits card, highlight and section backgrounds with dark text (9.75:1 contrast with black); calm backgrounds, editorial layouts and understated UI elements; calm backgrounds and section fills.

How do I use Dark Sea Green in CSS?

Use color: #8FBC8F; for text, background-color: #8FBC8F; for fills, or define a custom property such as --color-dark-sea-green: #8FBC8F; and reuse it with var(--color-dark-sea-green).

About this color page

CSS named color (W3C CSS Color Module). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.