#A3E59E
Closest named color: Hospital Green (#9BE5AA). oklch(86% 0.117 142.8), rgb(163, 229, 158).
Aa
Black text reads best on this color (14.25:1).
About this color
#A3E59E is a light, moderately saturated green. In OKLCH its lightness is 86%, its chroma 0.117 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.016 away. Black text reads best on it, at 14.25:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 14.25:1 |
| White text | 1.47:1 |
Values
| HEX | #A3E59E |
| RGB | rgb(163, 229, 158) |
| HSL | hsl(116, 58%, 76%) |
| OKLCH | oklch(86% 0.117 142.8) |
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 #A3E59E | 1.47:1 | Fails | Lc -25.3 | Dividers and decoration only |
| Black text on #A3E59E | 14.25:1 | AAA | Lc 81.5 | Fine for body text |
| #A3E59E text on white | 1.47:1 | Fails | Lc 22.3 | Dividers and decoration only |
| #A3E59E text on black | 14.25:1 | AAA | Lc -81.0 | 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
#EEF9ED
oklch(97.1% 0.02 143)
-
Step 100
100
#DAF2D7
oklch(93.6% 0.044 142.1)
-
Step 200
200 (this color)
#A3E59E
oklch(86% 0.117 142.8)
-
Step 300
300
#83D97D
oklch(80.9% 0.151 142.6)
-
Step 400
400
#00C30E
oklch(70.8% 0.239 142.8)
-
Step 500
500
#00A70B
oklch(63.1% 0.213 142.8)
-
Step 600
600
#008C07
oklch(55.5% 0.187 142.8)
-
Step 700
700
#007605
oklch(49% 0.165 142.8)
-
Step 800
800
#006103
oklch(42.7% 0.144 142.8)
-
Step 900
900
#005102
oklch(37.7% 0.127 142.8)
-
Step 950
950
#003101
oklch(27.1% 0.091 142.9)
#A3E59E 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) | #E8D999 | 0.088 |
| Deuteranopia (no green cones) | #DED2A2 | 0.087 |
| Tritanopia (no blue cones) | #9DE1D2 | 0.073 |
| Achromatopsia (no color) | #D5D5D5 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E59E
#A3E59E
oklch(86% 0.117 142.8)
- #F6B7FE
#F6B7FE
oklch(86% 0.117 322.7)
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 #A3E59E, closest first.
No curated palette has a color within ΔE 0.04 of #A3E59E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.016
- Light Grey Green #B7E1A1 ΔE 0.026
- Light Sage #BCECAC ΔE 0.039
- Light Green #90EE90 ΔE 0.039
- Light Teal #90E4C1 ΔE 0.048
- Pale Olive Green #B1D27B ΔE 0.053
- Washed Out Green #BCF5A6 ΔE 0.054
- Seafoam #80F9AD ΔE 0.055
Use #A3E59E 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.