#91EF9B
Closest named color: Light Green (#90EE90). oklch(87.3% 0.146 146.6), rgb(145, 239, 155).
Aa
Black text reads best on this color (15.02:1).
About this color
#91EF9B is a light, vivid green. In OKLCH its lightness is 87%, its chroma 0.146 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.013 away. Black text reads best on it, at 15.02:1.
| Hue family | Greens |
| Lightness | light (87%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 15.02:1 |
| White text | 1.39:1 |
Values
| HEX | #91EF9B |
| RGB | rgb(145, 239, 155) |
| HSL | hsl(126, 75%, 75%) |
| OKLCH | oklch(87.3% 0.146 146.6) |
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 #91EF9B | 1.39:1 | Fails | Lc -21.8 | Dividers and decoration only |
| Black text on #91EF9B | 15.02:1 | AAA | Lc 84.6 | Fine for body text |
| #91EF9B text on white | 1.39:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #91EF9B text on black | 15.02:1 | AAA | Lc -84.4 | 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
#EBFAEC
oklch(97% 0.024 147.3)
-
Step 100
100
#D3F4D5
oklch(93.5% 0.054 146.8)
-
Step 200
200 (this color)
#91EF9B
oklch(87.3% 0.146 146.6)
-
Step 300
300
#5FE073
oklch(80.9% 0.188 146.6)
-
Step 400
400
#00C144
oklch(70.6% 0.212 146.6)
-
Step 500
500
#00A639
oklch(63.1% 0.19 146.6)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005017
oklch(37.6% 0.113 146.6)
-
Step 950
950
#00300B
oklch(26.9% 0.08 146.8)
#91EF9B 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) | #F2E095 | 0.117 |
| Deuteranopia (no green cones) | #E4D6A0 | 0.116 |
| Tritanopia (no blue cones) | #84EBDA | 0.087 |
| Achromatopsia (no color) | #DADADA | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91EF9B
#91EF9B
oklch(87.3% 0.146 146.6)
- #FFB9FF
#FFB9FF
oklch(87.2% 0.12 326.5)
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 #91EF9B, closest first.
No curated palette has a color within ΔE 0.04 of #91EF9B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.013
- Seafoam #80F9AD ΔE 0.029
- Seafoam Green #7AF9AB ΔE 0.029
- Pale Green #98FB98 ΔE 0.036
- Light Blue Green #7EFBB3 ΔE 0.036
- Foam Green #90FDA9 ΔE 0.037
- Hospital Green #9BE5AA ΔE 0.040
- Mint Green #8FFF9F ΔE 0.042
Use #91EF9B 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.