Bright Olive #9CBB04
Bright Olive is a medium-light, vivid yellow with hex code #9CBB04 and RGB rgb(156, 187, 4).
Aa
Black text reads best on this color (9.52:1).
About this color
#9CBB04 is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.177 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. It is the named color Bright Olive. Black text reads best on it, at 9.52:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Bright Olive |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Colors that go with Bright Olive
Matches found by rotating Bright Olive around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Bright Olive
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Bright Olive, closest first.
Similar named colors
The eight named colors closest to Bright Olive, with their ΔE distance.
- Pea #A4BF20 ΔE 0.017
- Mustard Green #A8B504 ΔE 0.022
- Dark Lime #84B701 ΔE 0.033
- Dark Lime Green #7EBD01 ΔE 0.036
- Avocado #90B134 ΔE 0.039
- Icky Green #8FAE22 ΔE 0.043
- Slime Green #99CC04 ΔE 0.046
- Yellow Green #9ACD32 ΔE 0.047
More about Bright Olive
How to make Bright Olive
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 4 parts yellow
- 2 parts green
- 1 part brown
Recipe result: #9EBF31, a difference of ΔE 0.017 from Bright Olive. That is very close: most people will not see the difference.
Codes for Bright Olive in every format
| HEX | #9CBB04 |
| RGB | rgb(156, 187, 4) |
| HSL | hsl(70, 96%, 37%) |
| OKLCH | oklch(74.2% 0.177 120.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #9CBB04 | 2.20:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #9CBB04 | 9.52:1 | AAA | Lc 60.8 | Content text, not long reading |
| #9CBB04 text on white | 2.20:1 | Fails | Lc 43.2 | Non-text elements, placeholder text |
| #9CBB04 text on black | 9.52:1 | AAA | Lc -59.0 | Large or bold text, headings |
Shades and tints of Bright Olive
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F4F7EC
oklch(97.1% 0.015 119.1)
-
Step 100
100
#E6EED6
oklch(93.7% 0.033 122.1)
-
Step 200
200
#D3E0B3
oklch(88.5% 0.061 120.8)
-
Step 300
300
#B6CC79
oklch(81% 0.111 121)
-
Step 400
400 (this color)
#9CBB04
oklch(74.2% 0.177 120.9)
-
Step 500
500
#7D9600
oklch(63.1% 0.151 120.8)
-
Step 600
600
#687E00
oklch(55.5% 0.133 121.1)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#475700
oklch(42.8% 0.103 121.1)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
Bright Olive with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C7AF00 | 0.066 |
| Deuteranopia (no green cones) | #C4AF25 | 0.067 |
| Tritanopia (no blue cones) | #A6B09F | 0.151 |
| Achromatopsia (no color) | #AFAFAF | 0.178 |
Use Bright Olive in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.