#C5EF91
Closest named color: Washed Out Green (#BCF5A6). oklch(90.1% 0.129 128.4), rgb(197, 239, 145).
Aa
Black text reads best on this color (16.12:1).
About this color
#C5EF91 is a very light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.129 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Washed Out Green (#BCF5A6), ΔE 0.024 away. Black text reads best on it, at 16.12:1.
| Hue family | Greens |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Washed Out Green (#BCF5A6) |
| Black text | 16.12:1 |
| White text | 1.30:1 |
Values
| HEX | #C5EF91 |
| RGB | rgb(197, 239, 145) |
| HSL | hsl(87, 75%, 75%) |
| OKLCH | oklch(90.1% 0.129 128.4) |
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 #C5EF91 | 1.30:1 | Fails | Lc -17.1 | Dividers and decoration only |
| Black text on #C5EF91 | 16.12:1 | AAA | Lc 88.7 | Fine for body text |
| #C5EF91 text on white | 1.30:1 | Fails | Lc 14.9 | Not readable |
| #C5EF91 text on black | 16.12:1 | AAA | Lc -88.9 | 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
#F1F9E9
oklch(97.2% 0.023 128.7)
-
Step 100
100
#E0F1CF
oklch(93.7% 0.048 129.1)
-
Step 200
200 (this color)
#C5EF91
oklch(90.1% 0.129 128.4)
-
Step 300
300
#A1D456
oklch(80.9% 0.165 128.2)
-
Step 400
400
#7DB500
oklch(70.7% 0.186 128.5)
-
Step 500
500
#6B9B00
oklch(63.1% 0.166 128.3)
-
Step 600
600
#598200
oklch(55.5% 0.146 128.3)
-
Step 700
700
#4A6E00
oklch(49.2% 0.13 128.6)
-
Step 800
800
#3C5A00
oklch(42.8% 0.113 128.5)
-
Step 900
900
#314B00
oklch(37.7% 0.1 128.7)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#C5EF91 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) | #F8E38A | 0.069 |
| Deuteranopia (no green cones) | #F1E196 | 0.067 |
| Tritanopia (no blue cones) | #C9E7D8 | 0.100 |
| Achromatopsia (no color) | #E1E1E1 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5EF91
#C5EF91
oklch(90.1% 0.129 128.4)
- #EAD4FF
#EAD4FF
oklch(90.1% 0.062 308.2)
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 #C5EF91, closest first.
No curated palette has a color within ΔE 0.04 of #C5EF91.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Washed Out Green #BCF5A6 ΔE 0.024
- Pistachio #C0FA8B ΔE 0.032
- Light Pastel Green #B2FBA5 ΔE 0.034
- Celery #C1FD95 ΔE 0.036
- Light Sage #BCECAC ΔE 0.036
- Pale Light Green #B1FC99 ΔE 0.037
- Pastel Green #B0FF9D ΔE 0.043
- Light Mint Green #A6FBB2 ΔE 0.046
Use #C5EF91 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.