#C1EF81
Closest named color: Pistachio (#C0FA8B). oklch(89.6% 0.147 127.7), rgb(193, 239, 129).
Aa
Black text reads best on this color (15.93:1).
About this color
#C1EF81 is a light, vivid green. In OKLCH its lightness is 90%, its chroma 0.147 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pistachio (#C0FA8B), ΔE 0.028 away. Black text reads best on it, at 15.93:1.
| Hue family | Greens |
| Lightness | light (90%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Pistachio (#C0FA8B) |
| Black text | 15.93:1 |
| White text | 1.31:1 |
Values
| HEX | #C1EF81 |
| RGB | rgb(193, 239, 129) |
| HSL | hsl(85, 77%, 72%) |
| OKLCH | oklch(89.6% 0.147 127.7) |
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 #C1EF81 | 1.31:1 | Fails | Lc -18.0 | Dividers and decoration only |
| Black text on #C1EF81 | 15.93:1 | AAA | Lc 88.0 | Fine for body text |
| #C1EF81 text on white | 1.31:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #C1EF81 text on black | 15.93:1 | 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
#F1F9E7
oklch(97.1% 0.025 126.5)
-
Step 100
100
#DFF1CB
oklch(93.5% 0.054 128.1)
-
Step 200
200 (this color)
#C1EF81
oklch(89.6% 0.147 127.7)
-
Step 300
300
#9ED639
oklch(80.9% 0.189 127.6)
-
Step 400
400
#7FB400
oklch(70.6% 0.184 127.8)
-
Step 500
500
#6D9B00
oklch(63.2% 0.165 127.7)
-
Step 600
600
#5B8200
oklch(55.6% 0.145 127.6)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3D5900
oklch(42.6% 0.111 127.7)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#C1EF81 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) | #F9E278 | 0.076 |
| Deuteranopia (no green cones) | #F2DF87 | 0.076 |
| Tritanopia (no blue cones) | #C6E6D5 | 0.116 |
| Achromatopsia (no color) | #E0E0E0 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1EF81
#C1EF81
oklch(89.6% 0.147 127.7)
- #E8D2FF
#E8D2FF
oklch(89.6% 0.065 307.2)
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 #C1EF81, closest first.
No curated palette has a color within ΔE 0.04 of #C1EF81.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pistachio #C0FA8B ΔE 0.028
- Pale Light Green #B1FC99 ΔE 0.036
- Celery #C1FD95 ΔE 0.037
- Washed Out Green #BCF5A6 ΔE 0.039
- Light Pea Green #C4FE82 ΔE 0.040
- Light Yellow Green #CCFD7F ΔE 0.041
- Light Pastel Green #B2FBA5 ΔE 0.041
- Pastel Green #B0FF9D ΔE 0.043
Use #C1EF81 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.