#99E990
Closest named color: Light Green (#90EE90). oklch(86.1% 0.143 141.9), rgb(153, 233, 144).
Aa
Black text reads best on this color (14.41:1).
About this color
#99E990 is a light, vivid green. In OKLCH its lightness is 86%, its chroma 0.143 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.015 away. Black text reads best on it, at 14.41:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 14.41:1 |
| White text | 1.45:1 |
Values
| HEX | #99E990 |
| RGB | rgb(153, 233, 144) |
| HSL | hsl(114, 67%, 74%) |
| OKLCH | oklch(86.1% 0.143 141.9) |
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 #99E990 | 1.45:1 | Fails | Lc -24.6 | Dividers and decoration only |
| Black text on #99E990 | 14.41:1 | AAA | Lc 82.1 | Fine for body text |
| #99E990 text on white | 1.45:1 | Fails | Lc 21.6 | Dividers and decoration only |
| #99E990 text on black | 14.41:1 | AAA | Lc -81.7 | 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
#EDFAEB
oklch(97.1% 0.024 141.5)
-
Step 100
100
#D7F4D3
oklch(93.7% 0.053 141.8)
-
Step 200
200 (this color)
#99E990
oklch(86.1% 0.143 141.9)
-
Step 300
300
#73DD68
oklch(80.8% 0.184 141.9)
-
Step 400
400
#1AC200
oklch(70.7% 0.238 141.9)
-
Step 500
500
#15A600
oklch(63% 0.212 141.9)
-
Step 600
600
#108C00
oklch(55.6% 0.187 141.9)
-
Step 700
700
#0B7600
oklch(49.1% 0.165 141.9)
-
Step 800
800
#086100
oklch(42.8% 0.144 141.9)
-
Step 900
900
#055100
oklch(37.8% 0.127 142)
-
Step 950
950
#023000
oklch(26.9% 0.09 141.9)
#99E990 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) | #EDDB8A | 0.105 |
| Deuteranopia (no green cones) | #E1D395 | 0.103 |
| Tritanopia (no blue cones) | #92E4D3 | 0.093 |
| Achromatopsia (no color) | #D6D6D6 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99E990
#99E990
oklch(86.1% 0.143 141.9)
- #F5B8FF
#F5B8FF
oklch(86.1% 0.116 321.7)
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 #99E990, closest first.
No curated palette has a color within ΔE 0.04 of #99E990.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.015
- Hospital Green #9BE5AA ΔE 0.038
- Seafoam #80F9AD ΔE 0.046
- Seafoam Green #7AF9AB ΔE 0.046
- Pale Green #98FB98 ΔE 0.047
- Light Grey Green #B7E1A1 ΔE 0.049
- Foam Green #90FDA9 ΔE 0.052
- Light Blue Green #7EFBB3 ΔE 0.053
Use #99E990 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.