#99E388
Closest named color: Light Green (#90EE90). oklch(84.6% 0.143 139.8), rgb(153, 227, 136).
Aa
Black text reads best on this color (13.69:1).
About this color
#99E388 is a light, vivid green. In OKLCH its lightness is 85%, its chroma 0.143 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.028 away. Black text reads best on it, at 13.69:1.
| Hue family | Greens |
| Lightness | light (85%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 13.69:1 |
| White text | 1.53:1 |
Values
| HEX | #99E388 |
| RGB | rgb(153, 227, 136) |
| HSL | hsl(109, 62%, 71%) |
| OKLCH | oklch(84.6% 0.143 139.8) |
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 #99E388 | 1.53:1 | Fails | Lc -27.8 | Dividers and decoration only |
| Black text on #99E388 | 13.69:1 | AAA | Lc 79.2 | Fine for body text |
| #99E388 text on white | 1.53:1 | Fails | Lc 24.5 | Dividers and decoration only |
| #99E388 text on black | 13.69:1 | AAA | Lc -78.6 | 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
#EFF9ED
oklch(97.1% 0.019 140.5)
-
Step 100
100
#DCF1D7
oklch(93.6% 0.041 139.7)
-
Step 200
200
#BEE7B5
oklch(88.6% 0.08 140)
-
Step 300
300 (this color)
#99E388
oklch(84.6% 0.143 139.8)
-
Step 400
400
#3DC000
oklch(70.8% 0.227 139.8)
-
Step 500
500
#33A400
oklch(63% 0.202 139.8)
-
Step 600
600
#2A8A00
oklch(55.5% 0.178 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#99E388 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) | #E8D581 | 0.100 |
| Deuteranopia (no green cones) | #DDCE8D | 0.099 |
| Tritanopia (no blue cones) | #94DDCD | 0.096 |
| Achromatopsia (no color) | #D1D1D1 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99E388
#99E388
oklch(84.6% 0.143 139.8)
- #F0B2FF
#F0B2FF
oklch(84.6% 0.123 319.7)
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 #99E388, closest first.
No curated palette has a color within ΔE 0.04 of #99E388.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.028
- Hospital Green #9BE5AA ΔE 0.041
- Pale Olive Green #B1D27B ΔE 0.047
- Light Grey Green #B7E1A1 ΔE 0.051
- Seafoam Green #7AF9AB ΔE 0.060
- Seafoam #80F9AD ΔE 0.061
- Pale Green #98FB98 ΔE 0.062
- Light Sage #BCECAC ΔE 0.065
Use #99E388 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.