#C9D55D
Closest named color: Greenish Beige (#C9D179). oklch(84% 0.145 114.3), rgb(201, 213, 93).
Aa
Black text reads best on this color (13.15:1).
About this color
#C9D55D is a light, vivid yellow. In OKLCH its lightness is 84%, its chroma 0.145 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenish Beige (#C9D179), ΔE 0.033 away. Black text reads best on it, at 13.15:1.
| Hue family | Yellows |
| Lightness | light (84%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Greenish Beige (#C9D179) |
| Black text | 13.15:1 |
| White text | 1.59:1 |
Values
| HEX | #C9D55D |
| RGB | rgb(201, 213, 93) |
| HSL | hsl(66, 59%, 60%) |
| OKLCH | oklch(84% 0.145 114.3) |
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 #C9D55D | 1.59:1 | Fails | Lc -30.3 | Non-text elements, placeholder text |
| Black text on #C9D55D | 13.15:1 | AAA | Lc 76.9 | Fine for body text |
| #C9D55D text on white | 1.59:1 | Fails | Lc 26.8 | Dividers and decoration only |
| #C9D55D text on black | 13.15:1 | AAA | Lc -76.2 | 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 300.
-
Step 50
50
#F5F7E9
oklch(97.1% 0.019 113.3)
-
Step 100
100
#E9EECE
oklch(93.7% 0.042 114.4)
-
Step 200
200
#D8E0A3
oklch(88.6% 0.08 114.1)
-
Step 300
300 (this color)
#C9D55D
oklch(84% 0.145 114.3)
-
Step 400
400
#A0AB00
oklch(70.8% 0.16 114.3)
-
Step 500
500
#899200
oklch(63.1% 0.142 114.1)
-
Step 600
600
#737B00
oklch(55.7% 0.125 114.2)
-
Step 700
700
#606700
oklch(49.1% 0.111 114.3)
-
Step 800
800
#4E5400
oklch(42.6% 0.096 114.4)
-
Step 900
900
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262900
oklch(26.9% 0.06 113.9)
#C9D55D 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) | #E3CC50 | 0.039 |
| Deuteranopia (no green cones) | #E2CE64 | 0.041 |
| Tritanopia (no blue cones) | #D5CABB | 0.127 |
| Achromatopsia (no color) | #CDCDCD | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9D55D
#C9D55D
oklch(84% 0.145 114.3)
- #CDC0FF
#CDC0FF
oklch(84% 0.088 293.9)
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 #C9D55D, closest first.
No curated palette has a color within ΔE 0.04 of #C9D55D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenish Beige #C9D179 ΔE 0.033
- Pale Olive Green #B1D27B ΔE 0.042
- Greenish Tan #BCCB7A ΔE 0.048
- Pale Olive #B9CC81 ΔE 0.053
- Dull Yellow #EEDC5B ΔE 0.056
- Sand #E2CA76 ΔE 0.058
- Maize #F4D054 ΔE 0.060
- Mustard Yellow #D2BD0A ΔE 0.063
Use #C9D55D 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.