#91F9AE
Closest named color: Foam Green (#90FDA9). oklch(90% 0.142 151.6), rgb(145, 249, 174).
Aa
Black text reads best on this color (16.36:1).
About this color
#91F9AE is a light, vivid green. In OKLCH its lightness is 90%, its chroma 0.142 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Foam Green (#90FDA9), ΔE 0.014 away. Black text reads best on it, at 16.36:1.
| Hue family | Greens |
| Lightness | light (90%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Foam Green (#90FDA9) |
| Black text | 16.36:1 |
| White text | 1.28:1 |
Values
| HEX | #91F9AE |
| RGB | rgb(145, 249, 174) |
| HSL | hsl(137, 90%, 77%) |
| OKLCH | oklch(90% 0.142 151.6) |
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 #91F9AE | 1.28:1 | Fails | Lc -16.0 | Dividers and decoration only |
| Black text on #91F9AE | 16.36:1 | AAA | Lc 89.7 | Fine for body text |
| #91F9AE text on white | 1.28:1 | Fails | Lc 13.9 | Not readable |
| #91F9AE text on black | 16.36:1 | AAA | Lc -90.0 | 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
#EAFBED
oklch(97.2% 0.026 150.8)
-
Step 100
100
#D1F5D9
oklch(93.7% 0.053 151.9)
-
Step 200
200 (this color)
#91F9AE
oklch(90% 0.142 151.6)
-
Step 300
300
#4DE182
oklch(80.9% 0.183 151.6)
-
Step 400
400
#00C061
oklch(70.7% 0.187 151.7)
-
Step 500
500
#00A552
oklch(63.2% 0.168 151.6)
-
Step 600
600
#008A44
oklch(55.5% 0.147 151.7)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#003013
oklch(27.1% 0.072 151.4)
#91F9AE 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) | #FAEAA9 | 0.123 |
| Deuteranopia (no green cones) | #EADFB2 | 0.119 |
| Tritanopia (no blue cones) | #7EF6E5 | 0.076 |
| Achromatopsia (no color) | #E3E3E3 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91F9AE
#91F9AE
oklch(90% 0.142 151.6)
- #FFCBF7
#FFCBF7
oklch(90.1% 0.082 331.5)
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 #91F9AE, closest first.
No curated palette has a color within ΔE 0.04 of #91F9AE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Foam Green #90FDA9 ΔE 0.014
- Seafoam #80F9AD ΔE 0.015
- Light Blue Green #7EFBB3 ΔE 0.015
- Mint #9FFEB0 ΔE 0.020
- Seafoam Green #7AF9AB ΔE 0.020
- Light Mint Green #A6FBB2 ΔE 0.022
- Mint Green #8FFF9F ΔE 0.028
- Pale Green #98FB98 ΔE 0.029
Use #91F9AE 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.