#C9E565
Closest named color: Dull Yellow (#EEDC5B). oklch(87.6% 0.157 120.1), rgb(201, 229, 101).
Aa
Black text reads best on this color (14.87:1).
About this color
#C9E565 is a light, vivid yellow. In OKLCH its lightness is 88%, its chroma 0.157 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.051 away. Black text reads best on it, at 14.87:1.
| Hue family | Yellows |
| Lightness | light (88%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 14.87:1 |
| White text | 1.41:1 |
Values
| HEX | #C9E565 |
| RGB | rgb(201, 229, 101) |
| HSL | hsl(73, 71%, 65%) |
| OKLCH | oklch(87.6% 0.157 120.1) |
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 #C9E565 | 1.41:1 | Fails | Lc -22.5 | Dividers and decoration only |
| Black text on #C9E565 | 14.87:1 | AAA | Lc 83.9 | Fine for body text |
| #C9E565 text on white | 1.41:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #C9E565 text on black | 14.87:1 | AAA | Lc -83.7 | 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
#F3F9E5
oklch(97.2% 0.027 120.5)
-
Step 100
100
#E4F0C5
oklch(93.5% 0.058 120.2)
-
Step 200
200 (this color)
#C9E565
oklch(87.6% 0.157 120.1)
-
Step 300
300
#B2D100
oklch(80.9% 0.192 119.9)
-
Step 400
400
#94AF00
oklch(70.8% 0.168 120.1)
-
Step 500
500
#7E9600
oklch(63.2% 0.151 120.4)
-
Step 600
600
#6A7E00
oklch(55.7% 0.132 120.1)
-
Step 700
700
#596A00
oklch(49.3% 0.117 120.1)
-
Step 800
800
#485600
oklch(42.6% 0.101 120)
-
Step 900
900
#3C4800
oklch(37.7% 0.09 119.9)
-
Step 950
950
#232B00
oklch(27.2% 0.064 120)
#C9E565 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) | #F2D958 | 0.059 |
| Deuteranopia (no green cones) | #EFD96D | 0.061 |
| Tritanopia (no blue cones) | #D3DAC9 | 0.133 |
| Achromatopsia (no color) | #D9D9D9 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9E565
#C9E565
oklch(87.6% 0.157 120.1)
- #DDCCFF
#DDCCFF
oklch(87.6% 0.072 300.2)
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 #C9E565, closest first.
No curated palette has a color within ΔE 0.04 of #C9E565.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.051
- Pear #CBF85F ΔE 0.052
- Pistachio #C0FA8B ΔE 0.055
- Yellowy Green #BFF128 ΔE 0.059
- Pale Lime #BEFD73 ΔE 0.060
- Light Yellow Green #CCFD7F ΔE 0.061
- Light Pea Green #C4FE82 ΔE 0.062
- Greenish Beige #C9D179 ΔE 0.063
Use #C9E565 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.