Green color · XKCD survey name
Bright Olive Color Code: #9CBB04
Bright Olive (#9CBB04) is a medium-dark, vivid yellow-green shade: RGB 156, 187, 4, HSL 70°, 96%, 37%. Black text reads best on it (9.52:1 contrast).
Bright Olive color values
#9CBB04
rgb(156, 187, 4)
hsl(70, 96%, 37%)
70, 98%, 73%
hwb(70 2% 27%)
17%, 0%, 98%, 27%
10271492
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Bright Olive?
“Bright Olive” is a crowd-sourced name from the XKCD Color Survey, in which participants typed names for colors they were shown. It is a popular everyday label rather than an official standard.
Its hue angle of 70° places it in the yellow-green part of the color wheel, with 96% saturation (vivid) and 37% lightness (medium-dark). It sits between warm and cool.
Compared with the other green colors in the Aqeeb Studio library, it is lighter than 26% of them and more saturated than 71% of them.
Its relative luminance is 0.426, 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.
Bright Olive counts as a light color: its HSL lightness is 37% and its relative luminance is 0.426. Black text reads best on it (9.52:1 contrast).
Text contrast on Bright Olive
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 2.20:1 Poor | Fail | Fail | Fail | Fail |
| Black text | Sample text | 9.52:1 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 Bright Olive
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.
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 Bright Olive
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.
Similar colors
Where to use Bright Olive
- Card, highlight and section backgrounds with dark text (9.52:1 contrast with black)
- Accents that need to stand out: call-to-action buttons, charts and illustrations
- 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
Use Bright Olive in CSS
:root {
--color-bright-olive: #9CBB04;
}
.element {
color: var(--color-bright-olive);
background-color: #9CBB04;
border: 2px solid #9CBB04;
}Questions about Bright Olive
What is the HEX code for Bright Olive?
Bright Olive is #9CBB04.
What is the RGB value of Bright Olive?
The RGB value of Bright Olive is 156, 187, 4: 156 red, 187 green and 4 blue on a 0–255 scale, written rgb(156, 187, 4) in CSS.
What is the HSL value of Bright Olive?
The HSL value of Bright Olive is 70°, 96%, 37% (hue, saturation, lightness), written hsl(70, 96%, 37%) in CSS.
What is the CMYK value of Bright Olive?
A standard conversion gives about C 17%, M 0%, Y 98%, K 27%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Bright Olive a light or dark color?
Bright Olive counts as a light color: its HSL lightness is 37% and its relative luminance is 0.426. Black text reads best on it (9.52:1 contrast).
How does Bright Olive look with white text?
White text on Bright Olive has a contrast ratio of 2.20:1, rated Poor. It falls below the WCAG minimum for text.
How does Bright Olive look with black text?
Black text on Bright Olive has a contrast ratio of 9.52:1, rated Excellent. It meets WCAG AA for normal text.
What colors go well with Bright Olive?
Ultramarine is its complementary color, and Golden Brown sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Bright Olive be used?
It suits card, highlight and section backgrounds with dark text (9.52:1 contrast with black); accents that need to stand out: call-to-action buttons, charts and illustrations; calm backgrounds and section fills.
How do I use Bright Olive in CSS?
Use color: #9CBB04; for text, background-color: #9CBB04; for fills, or define a custom property such as --color-bright-olive: #9CBB04; and reuse it with var(--color-bright-olive).
About this color page
Crowd-sourced name from the XKCD Color Survey (CC0). 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.