#C9F289
Closest named color: Pistachio (#C0FA8B). oklch(90.9% 0.139 126.5), rgb(201, 242, 137).
Aa
Black text reads best on this color (16.54:1).
About this color
#C9F289 is a very light, moderately saturated green. In OKLCH its lightness is 91%, its chroma 0.139 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pistachio (#C0FA8B), ΔE 0.022 away. Black text reads best on it, at 16.54:1.
| Hue family | Greens |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Pistachio (#C0FA8B) |
| Black text | 16.54:1 |
| White text | 1.26:1 |
Values
| HEX | #C9F289 |
| RGB | rgb(201, 242, 137) |
| HSL | hsl(83, 80%, 74%) |
| OKLCH | oklch(90.9% 0.139 126.5) |
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 #C9F289 | 1.26:1 | Fails | Lc -15.3 | Dividers and decoration only |
| Black text on #C9F289 | 16.54:1 | AAA | Lc 90.3 | Preferred for body text |
| #C9F289 text on white | 1.26:1 | Fails | Lc 13.3 | Not readable |
| #C9F289 text on black | 16.54:1 | AAA | Lc -90.6 | Preferred 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
#F1F9E8
oklch(97.2% 0.024 127.6)
-
Step 100
100
#E1F1CC
oklch(93.7% 0.052 126.5)
-
Step 200
200 (this color)
#C9F289
oklch(90.9% 0.139 126.5)
-
Step 300
300
#A3D442
oklch(80.8% 0.178 126.3)
-
Step 400
400
#83B300
oklch(70.6% 0.181 126.5)
-
Step 500
500
#709A00
oklch(63.2% 0.162 126.5)
-
Step 600
600
#5E8100
oklch(55.6% 0.142 126.3)
-
Step 700
700
#4E6D00
oklch(49.2% 0.126 126.7)
-
Step 800
800
#3F5900
oklch(42.7% 0.11 126.7)
-
Step 900
900
#344A00
oklch(37.7% 0.097 126.5)
-
Step 950
950
#1E2C00
oklch(27% 0.069 126.1)
#C9F289 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) | #FCE681 | 0.069 |
| Deuteranopia (no green cones) | #F6E48F | 0.069 |
| Tritanopia (no blue cones) | #CEE9D9 | 0.111 |
| Achromatopsia (no color) | #E4E4E4 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F289
#C9F289
oklch(90.9% 0.139 126.5)
- #EAD8FF
#EAD8FF
oklch(90.9% 0.056 306.1)
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 #C9F289, closest first.
No curated palette has a color within ΔE 0.04 of #C9F289.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pistachio #C0FA8B ΔE 0.022
- Celery #C1FD95 ΔE 0.028
- Washed Out Green #BCF5A6 ΔE 0.032
- Pale Light Green #B1FC99 ΔE 0.033
- Light Yellow Green #CCFD7F ΔE 0.034
- Light Pea Green #C4FE82 ΔE 0.035
- Light Pastel Green #B2FBA5 ΔE 0.036
- Pastel Green #B0FF9D ΔE 0.039
Use #C9F289 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.