#C9EC99
Closest named color: Washed Out Green (#BCF5A6). oklch(89.9% 0.114 127.1), rgb(201, 236, 153).
Aa
Black text reads best on this color (15.94:1).
About this color
#C9EC99 is a light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.114 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 0.025 away. Black text reads best on it, at 15.94:1.
| Hue family | Greens |
| Lightness | light (90%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Washed Out Green (#BCF5A6) |
| Black text | 15.94:1 |
| White text | 1.31:1 |
Values
| HEX | #C9EC99 |
| RGB | rgb(201, 236, 153) |
| HSL | hsl(85, 69%, 76%) |
| OKLCH | oklch(89.9% 0.114 127.1) |
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 #C9EC99 | 1.31:1 | Fails | Lc -18.0 | Dividers and decoration only |
| Black text on #C9EC99 | 15.94:1 | AAA | Lc 88.0 | Fine for body text |
| #C9EC99 text on white | 1.31:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #C9EC99 text on black | 15.94:1 | AAA | Lc -88.1 | 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
#F2F8EA
oklch(97.1% 0.019 125.8)
-
Step 100
100
#E2F0D2
oklch(93.7% 0.042 127.7)
-
Step 200
200 (this color)
#C9EC99
oklch(89.9% 0.114 127.1)
-
Step 300
300
#A7D264
oklch(81% 0.147 127.1)
-
Step 400
400
#81B400
oklch(70.7% 0.183 127.2)
-
Step 500
500
#6E9A00
oklch(63% 0.163 127.2)
-
Step 600
600
#5C8200
oklch(55.7% 0.144 127.3)
-
Step 700
700
#4D6D00
oklch(49.1% 0.127 127.1)
-
Step 800
800
#3E5900
oklch(42.6% 0.11 127.2)
-
Step 900
900
#334A00
oklch(37.6% 0.097 127.1)
-
Step 950
950
#1D2C00
oklch(26.9% 0.069 127)
#C9EC99 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) | #F4E293 | 0.058 |
| Deuteranopia (no green cones) | #EFE09D | 0.058 |
| Tritanopia (no blue cones) | #CDE5D7 | 0.089 |
| Achromatopsia (no color) | #E0E0E0 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9EC99
#C9EC99
oklch(89.9% 0.114 127.1)
- #E9D3FF
#E9D3FF
oklch(89.9% 0.064 307.7)
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 #C9EC99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Washed Out Green #BCF5A6 ΔE 0.025
- Light Sage #BCECAC ΔE 0.025
- Light Grey Green #B7E1A1 ΔE 0.041
- Light Pastel Green #B2FBA5 ΔE 0.042
- Light Khaki #E6F2A2 ΔE 0.043
- Pistachio #C0FA8B ΔE 0.046
- Tea Green #CAE7B9 ΔE 0.046
- Celadon #BEFDB7 ΔE 0.046
Use #C9EC99 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.