#C9DB57
Closest named color: Greenish Beige (#C9D179). oklch(85.3% 0.157 116.4), rgb(201, 219, 87).
Aa
Black text reads best on this color (13.75:1).
About this color
#C9DB57 is a light, vivid yellow. In OKLCH its lightness is 85%, its chroma 0.157 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenish Beige (#C9D179), ΔE 0.048 away. Black text reads best on it, at 13.75:1.
| Hue family | Yellows |
| Lightness | light (85%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Greenish Beige (#C9D179) |
| Black text | 13.75:1 |
| White text | 1.52:1 |
Values
| HEX | #C9DB57 |
| RGB | rgb(201, 219, 87) |
| HSL | hsl(68, 65%, 60%) |
| OKLCH | oklch(85.3% 0.157 116.4) |
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 #C9DB57 | 1.52:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #C9DB57 | 13.75:1 | AAA | Lc 79.4 | Fine for body text |
| #C9DB57 text on white | 1.52:1 | Fails | Lc 24.3 | Dividers and decoration only |
| #C9DB57 text on black | 13.75:1 | AAA | Lc -78.8 | Fine for body text |
Tints and shades
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 200.
-
Step 50
50
#F4F8E4
oklch(97.1% 0.027 116.1)
-
Step 100
100
#E7EFC4
oklch(93.5% 0.057 116.1)
-
Step 200
200 (this color)
#C9DB57
oklch(85.3% 0.157 116.4)
-
Step 300
300
#BBCE00
oklch(80.9% 0.185 116.3)
-
Step 400
400
#9CAC00
oklch(70.7% 0.162 116.2)
-
Step 500
500
#859300
oklch(63% 0.144 116.3)
-
Step 600
600
#707C00
oklch(55.7% 0.128 116.3)
-
Step 700
700
#5E6800
oklch(49.2% 0.113 116.2)
-
Step 800
800
#4C5500
oklch(42.7% 0.098 116.6)
-
Step 900
900
#3F4700
oklch(37.7% 0.087 116.8)
-
Step 950
950
#252A00
oklch(27.1% 0.062 116.5)
#C9DB57 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) | #E9D048 | 0.048 |
| Deuteranopia (no green cones) | #E7D260 | 0.049 |
| Tritanopia (no blue cones) | #D5D0BF | 0.135 |
| Achromatopsia (no color) | #D1D1D1 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DB57
#C9DB57
oklch(85.3% 0.157 116.4)
- #D3C4FF
#D3C4FF
oklch(85.2% 0.083 296.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C9DB57, closest first.
No curated palette has a color within ΔE 0.04 of #C9DB57.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenish Beige #C9D179 ΔE 0.048
- Dull Yellow #EEDC5B ΔE 0.052
- Pale Olive Green #B1D27B ΔE 0.055
- Maize #F4D054 ΔE 0.064
- Greenish Tan #BCCB7A ΔE 0.065
- Light Mustard #F7D560 ΔE 0.068
- Pale Olive #B9CC81 ΔE 0.069
- Sandy #F1DA7A ΔE 0.070
Use #C9DB57 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.