#A1EF99
Closest named color: Light Green (#90EE90). oklch(88.1% 0.139 142.2), rgb(161, 239, 153).
Aa
Black text reads best on this color (15.32:1).
About this color
#A1EF99 is a light, moderately saturated green. In OKLCH its lightness is 88%, its chroma 0.139 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 0.022 away. Black text reads best on it, at 15.32:1.
| Hue family | Greens |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 15.32:1 |
| White text | 1.37:1 |
Values
| HEX | #A1EF99 |
| RGB | rgb(161, 239, 153) |
| HSL | hsl(114, 73%, 77%) |
| OKLCH | oklch(88.1% 0.139 142.2) |
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 #A1EF99 | 1.37:1 | Fails | Lc -20.6 | Dividers and decoration only |
| Black text on #A1EF99 | 15.32:1 | AAA | Lc 85.7 | Fine for body text |
| #A1EF99 text on white | 1.37:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #A1EF99 text on black | 15.32:1 | AAA | Lc -85.6 | 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 200.
-
Step 50
50
#EDFAEB
oklch(97.1% 0.024 141.5)
-
Step 100
100
#D7F3D4
oklch(93.6% 0.051 142.5)
-
Step 200
200 (this color)
#A1EF99
oklch(88.1% 0.139 142.2)
-
Step 300
300
#76DD6D
oklch(81% 0.178 142.2)
-
Step 400
400
#13C200
oklch(70.6% 0.238 142.1)
-
Step 500
500
#0EA700
oklch(63.2% 0.213 142.2)
-
Step 600
600
#0A8C00
oklch(55.5% 0.188 142.2)
-
Step 700
700
#077600
oklch(49.1% 0.166 142.1)
-
Step 800
800
#056100
oklch(42.8% 0.144 142.1)
-
Step 900
900
#035100
oklch(37.7% 0.127 142.2)
-
Step 950
950
#013000
oklch(26.8% 0.091 142.2)
#A1EF99 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) | #F3E193 | 0.102 |
| Deuteranopia (no green cones) | #E7D99E | 0.101 |
| Tritanopia (no blue cones) | #9AEAD9 | 0.089 |
| Achromatopsia (no color) | #DCDCDC | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1EF99
#A1EF99
oklch(88.1% 0.139 142.2)
- #F7C2FF
#F7C2FF
oklch(88% 0.1 322)
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 #A1EF99, closest first.
No curated palette has a color within ΔE 0.04 of #A1EF99.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.022
- Pale Green #98FB98 ΔE 0.033
- Seafoam #80F9AD ΔE 0.036
- Foam Green #90FDA9 ΔE 0.036
- Seafoam Green #7AF9AB ΔE 0.038
- Light Mint Green #A6FBB2 ΔE 0.039
- Washed Out Green #BCF5A6 ΔE 0.039
- Light Pastel Green #B2FBA5 ΔE 0.039
Use #A1EF99 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.