#C9EF90
Closest named color: Washed Out Green (#BCF5A6). oklch(90.4% 0.128 126.6), rgb(201, 239, 144).
Aa
Black text reads best on this color (16.23:1).
About this color
#C9EF90 is a very light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.128 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Washed Out Green (#BCF5A6), ΔE 0.026 away. Black text reads best on it, at 16.23:1.
| Hue family | Greens |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Washed Out Green (#BCF5A6) |
| Black text | 16.23:1 |
| White text | 1.29:1 |
Values
| HEX | #C9EF90 |
| RGB | rgb(201, 239, 144) |
| HSL | hsl(84, 75%, 75%) |
| OKLCH | oklch(90.4% 0.128 126.6) |
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 #C9EF90 | 1.29:1 | Fails | Lc -16.7 | Dividers and decoration only |
| Black text on #C9EF90 | 16.23:1 | AAA | Lc 89.1 | Fine for body text |
| #C9EF90 text on white | 1.29:1 | Fails | Lc 14.5 | Not readable |
| #C9EF90 text on black | 16.23:1 | AAA | Lc -89.3 | 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
#F1F8E9
oklch(97% 0.021 127.4)
-
Step 100
100
#E1F0CE
oklch(93.5% 0.048 126.7)
-
Step 200
200 (this color)
#C9EF90
oklch(90.4% 0.128 126.6)
-
Step 300
300
#A5D353
oklch(80.9% 0.164 126.5)
-
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
#5D8100
oklch(55.5% 0.142 126.6)
-
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
#1D2C00
oklch(26.9% 0.069 127)
#C9EF90 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) | #F8E489 | 0.064 |
| Deuteranopia (no green cones) | #F3E295 | 0.064 |
| Tritanopia (no blue cones) | #CEE7D8 | 0.102 |
| Achromatopsia (no color) | #E2E2E2 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9EF90
#C9EF90
oklch(90.4% 0.128 126.6)
- #E9D6FF
#E9D6FF
oklch(90.4% 0.059 306.2)
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 #C9EF90, closest first.
No curated palette has a color within ΔE 0.04 of #C9EF90.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Washed Out Green #BCF5A6 ΔE 0.026
- Pistachio #C0FA8B ΔE 0.033
- Celery #C1FD95 ΔE 0.036
- Light Pastel Green #B2FBA5 ΔE 0.037
- Light Sage #BCECAC ΔE 0.038
- Pale Light Green #B1FC99 ΔE 0.039
- Pastel Green #B0FF9D ΔE 0.045
- Light Khaki #E6F2A2 ΔE 0.045
Use #C9EF90 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.