#A3E991
Closest named color: Light Green (#90EE90). oklch(86.7% 0.137 139.4), rgb(163, 233, 145).
Aa
Black text reads best on this color (14.62:1).
About this color
#A3E991 is a light, moderately saturated green. In OKLCH its lightness is 87%, its chroma 0.137 and its hue 139°. 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 14.62:1.
| Hue family | Greens |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 14.62:1 |
| White text | 1.43:1 |
Values
| HEX | #A3E991 |
| RGB | rgb(163, 233, 145) |
| HSL | hsl(108, 67%, 74%) |
| OKLCH | oklch(86.7% 0.137 139.4) |
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 #A3E991 | 1.43:1 | Fails | Lc -23.7 | Dividers and decoration only |
| Black text on #A3E991 | 14.62:1 | AAA | Lc 82.9 | Fine for body text |
| #A3E991 text on white | 1.43:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #A3E991 text on black | 14.62:1 | AAA | Lc -82.6 | 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
#EEFAEB
oklch(97.2% 0.023 139.4)
-
Step 100
100
#D9F3D2
oklch(93.6% 0.052 139.1)
-
Step 200
200 (this color)
#A3E991
oklch(86.7% 0.137 139.4)
-
Step 300
300
#80DB67
oklch(80.9% 0.176 139.3)
-
Step 400
400
#42BF00
oklch(70.7% 0.224 139.4)
-
Step 500
500
#37A400
oklch(63.1% 0.201 139.4)
-
Step 600
600
#2D8A00
oklch(55.6% 0.177 139.4)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1D5F00
oklch(42.7% 0.135 139.3)
-
Step 900
900
#164F00
oklch(37.6% 0.119 139.4)
-
Step 950
950
#0A3000
oklch(27.2% 0.086 139.4)
#A3E991 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) | #EEDB8B | 0.096 |
| Deuteranopia (no green cones) | #E3D596 | 0.094 |
| Tritanopia (no blue cones) | #9FE3D3 | 0.093 |
| Achromatopsia (no color) | #D7D7D7 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E991
#A3E991
oklch(86.7% 0.137 139.4)
- #F2BDFF
#F2BDFF
oklch(86.7% 0.105 319.6)
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 #A3E991, closest first.
No curated palette has a color within ΔE 0.04 of #A3E991.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.022
- Hospital Green #9BE5AA ΔE 0.036
- Light Grey Green #B7E1A1 ΔE 0.041
- Pale Green #98FB98 ΔE 0.047
- Light Sage #BCECAC ΔE 0.047
- Seafoam #80F9AD ΔE 0.048
- Washed Out Green #BCF5A6 ΔE 0.049
- Seafoam Green #7AF9AB ΔE 0.050
Use #A3E991 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.