#C5F18A
Closest named color: Pistachio (#C0FA8B). oklch(90.4% 0.139 127.8), rgb(197, 241, 138).
Aa
Black text reads best on this color (16.32:1).
About this color
#C5F18A is a very light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.139 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pistachio (#C0FA8B), ΔE 0.024 away. Black text reads best on it, at 16.32:1.
| Hue family | Greens |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Pistachio (#C0FA8B) |
| Black text | 16.32:1 |
| White text | 1.28:1 |
Values
| HEX | #C5F18A |
| RGB | rgb(197, 241, 138) |
| HSL | hsl(86, 79%, 74%) |
| OKLCH | oklch(90.4% 0.139 127.8) |
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 #C5F18A | 1.28:1 | Fails | Lc -16.3 | Dividers and decoration only |
| Black text on #C5F18A | 16.32:1 | AAA | Lc 89.5 | Fine for body text |
| #C5F18A text on white | 1.28:1 | Fails | Lc 14.1 | Not readable |
| #C5F18A text on black | 16.32:1 | AAA | Lc -89.7 | 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
#F1F9E8
oklch(97.2% 0.024 127.6)
-
Step 100
100
#E0F1CC
oklch(93.6% 0.052 127.5)
-
Step 200
200 (this color)
#C5F18A
oklch(90.4% 0.139 127.8)
-
Step 300
300
#9FD547
oklch(80.8% 0.178 127.9)
-
Step 400
400
#7FB400
oklch(70.6% 0.184 127.8)
-
Step 500
500
#6C9B00
oklch(63.2% 0.165 128)
-
Step 600
600
#5A8200
oklch(55.6% 0.145 128)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3D5A00
oklch(42.8% 0.112 128.1)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#C5F18A 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) | #FAE582 | 0.071 |
| Deuteranopia (no green cones) | #F4E290 | 0.072 |
| Tritanopia (no blue cones) | #CAE9D8 | 0.108 |
| Achromatopsia (no color) | #E3E3E3 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5F18A
#C5F18A
oklch(90.4% 0.139 127.8)
- #EAD5FF
#EAD5FF
oklch(90.3% 0.061 307.7)
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 #C5F18A, closest first.
No curated palette has a color within ΔE 0.04 of #C5F18A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pistachio #C0FA8B ΔE 0.024
- Washed Out Green #BCF5A6 ΔE 0.030
- Celery #C1FD95 ΔE 0.030
- Pale Light Green #B1FC99 ΔE 0.032
- Light Pastel Green #B2FBA5 ΔE 0.034
- Light Pea Green #C4FE82 ΔE 0.038
- Light Yellow Green #CCFD7F ΔE 0.038
- Pastel Green #B0FF9D ΔE 0.038
Use #C5F18A 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.