#90E191
Closest named color: Hospital Green (#9BE5AA). oklch(83.8% 0.136 144.5), rgb(144, 225, 145).
Aa
Black text reads best on this color (13.36:1).
About this color
#90E191 is a light, moderately saturated green. In OKLCH its lightness is 84%, its chroma 0.136 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.035 away. Black text reads best on it, at 13.36:1.
| Hue family | Greens |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 13.36:1 |
| White text | 1.57:1 |
Values
| HEX | #90E191 |
| RGB | rgb(144, 225, 145) |
| HSL | hsl(121, 57%, 72%) |
| OKLCH | oklch(83.8% 0.136 144.5) |
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 #90E191 | 1.57:1 | Fails | Lc -29.3 | Dividers and decoration only |
| Black text on #90E191 | 13.36:1 | AAA | Lc 77.9 | Fine for body text |
| #90E191 text on white | 1.57:1 | Fails | Lc 25.9 | Dividers and decoration only |
| #90E191 text on black | 13.36:1 | AAA | Lc -77.1 | 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 300.
-
Step 50
50
#EEF9EE
oklch(97.1% 0.019 145.4)
-
Step 100
100
#DBF1DA
oklch(93.6% 0.038 144.1)
-
Step 200
200
#BBE7BB
oklch(88.5% 0.075 144.9)
-
Step 300
300 (this color)
#90E191
oklch(83.8% 0.136 144.5)
-
Step 400
400
#1DC138
oklch(70.7% 0.217 144.6)
-
Step 500
500
#00A628
oklch(63% 0.201 144.6)
-
Step 600
600
#008C20
oklch(55.6% 0.177 144.6)
-
Step 700
700
#007619
oklch(49.1% 0.157 144.5)
-
Step 800
800
#006113
oklch(42.8% 0.136 144.5)
-
Step 900
900
#00510E
oklch(37.8% 0.121 144.5)
-
Step 950
950
#003005
oklch(26.9% 0.086 144.4)
#90E191 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) | #E4D38C | 0.105 |
| Deuteranopia (no green cones) | #D8CB96 | 0.103 |
| Tritanopia (no blue cones) | #87DDCD | 0.083 |
| Achromatopsia (no color) | #CECECE | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90E191
#90E191
oklch(83.8% 0.136 144.5)
- #F6AAFB
#F6AAFB
oklch(83.7% 0.136 324.6)
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 #90E191, closest first.
No curated palette has a color within ΔE 0.04 of #90E191.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.035
- Light Green #90EE90 ΔE 0.036
- Pale Olive Green #B1D27B ΔE 0.048
- Light Grey Green #B7E1A1 ΔE 0.051
- Light Teal #90E4C1 ΔE 0.061
- Seafoam Green #7AF9AB ΔE 0.062
- Seafoam #80F9AD ΔE 0.062
- Pale Olive #B9CC81 ΔE 0.065
Use #90E191 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.