#90E991
Closest named color: Light Green (#90EE90). oklch(85.6% 0.148 144.4), rgb(144, 233, 145).
Aa
Black text reads best on this color (14.25:1).
About this color
#90E991 is a light, vivid green. In OKLCH its lightness is 86%, its chroma 0.148 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.014 away. Black text reads best on it, at 14.25:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 14.25:1 |
| White text | 1.47:1 |
Values
| HEX | #90E991 |
| RGB | rgb(144, 233, 145) |
| HSL | hsl(121, 67%, 74%) |
| OKLCH | oklch(85.6% 0.148 144.4) |
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 #90E991 | 1.47:1 | Fails | Lc -25.3 | Dividers and decoration only |
| Black text on #90E991 | 14.25:1 | AAA | Lc 81.5 | Fine for body text |
| #90E991 text on white | 1.47:1 | Fails | Lc 22.2 | Dividers and decoration only |
| #90E991 text on black | 14.25:1 | AAA | Lc -81.0 | 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
#ECFAEB
oklch(97.1% 0.025 143.5)
-
Step 100
100
#D4F4D3
oklch(93.5% 0.055 144.3)
-
Step 200
200 (this color)
#90E991
oklch(85.6% 0.148 144.4)
-
Step 300
300
#67DF6C
oklch(80.9% 0.189 144.3)
-
Step 400
400
#00C22E
oklch(70.7% 0.227 144.4)
-
Step 500
500
#00A626
oklch(63% 0.202 144.4)
-
Step 600
600
#008C1F
oklch(55.6% 0.178 144.4)
-
Step 700
700
#007618
oklch(49.1% 0.157 144.4)
-
Step 800
800
#006112
oklch(42.8% 0.137 144.4)
-
Step 900
900
#00510D
oklch(37.8% 0.121 144.3)
-
Step 950
950
#003005
oklch(26.9% 0.086 144.4)
#90E991 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) | #ECDA8B | 0.113 |
| Deuteranopia (no green cones) | #DFD196 | 0.112 |
| Tritanopia (no blue cones) | #86E4D3 | 0.092 |
| Achromatopsia (no color) | #D5D5D5 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90E991
#90E991
oklch(85.6% 0.148 144.4)
- #FAB2FF
#FAB2FF
oklch(85.6% 0.129 324.4)
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 #90E991, closest first.
No curated palette has a color within ΔE 0.04 of #90E991.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.014
- Hospital Green #9BE5AA ΔE 0.039
- Seafoam Green #7AF9AB ΔE 0.044
- Seafoam #80F9AD ΔE 0.045
- Pale Green #98FB98 ΔE 0.049
- Light Blue Green #7EFBB3 ΔE 0.052
- Foam Green #90FDA9 ΔE 0.053
- Light Grey Green #B7E1A1 ΔE 0.055
Use #90E991 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.