#A3E59B
Closest named color: Hospital Green (#9BE5AA). oklch(85.9% 0.12 141.9), rgb(163, 229, 155).
Aa
Black text reads best on this color (14.23:1).
About this color
#A3E59B is a light, moderately saturated green. In OKLCH its lightness is 86%, its chroma 0.120 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.019 away. Black text reads best on it, at 14.23:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 14.23:1 |
| White text | 1.47:1 |
Values
| HEX | #A3E59B |
| RGB | rgb(163, 229, 155) |
| HSL | hsl(114, 59%, 75%) |
| OKLCH | oklch(85.9% 0.12 141.9) |
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 #A3E59B | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #A3E59B | 14.23:1 | AAA | Lc 81.4 | Fine for body text |
| #A3E59B text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #A3E59B text on black | 14.23:1 | AAA | Lc -80.9 | 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
#EEF9EC
oklch(97% 0.021 140.9)
-
Step 100
100
#DAF2D6
oklch(93.6% 0.045 141.2)
-
Step 200
200 (this color)
#A3E59B
oklch(85.9% 0.12 141.9)
-
Step 300
300
#83D979
oklch(80.8% 0.155 141.8)
-
Step 400
400
#1CC200
oklch(70.7% 0.237 141.9)
-
Step 500
500
#17A600
oklch(63% 0.211 141.8)
-
Step 600
600
#118C00
oklch(55.6% 0.187 141.9)
-
Step 700
700
#0D7600
oklch(49.2% 0.165 141.8)
-
Step 800
800
#096100
oklch(42.8% 0.143 141.8)
-
Step 900
900
#065100
oklch(37.8% 0.127 141.8)
-
Step 950
950
#023000
oklch(26.9% 0.09 141.9)
#A3E59B 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) | #E9D996 | 0.089 |
| Deuteranopia (no green cones) | #DED29F | 0.087 |
| Tritanopia (no blue cones) | #9EE0D2 | 0.078 |
| Achromatopsia (no color) | #D5D5D5 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E59B
#A3E59B
oklch(85.9% 0.12 141.9)
- #F5B7FF
#F5B7FF
oklch(85.9% 0.118 321.7)
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 #A3E59B, closest first.
No curated palette has a color within ΔE 0.04 of #A3E59B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.019
- Light Grey Green #B7E1A1 ΔE 0.028
- Light Green #90EE90 ΔE 0.037
- Light Sage #BCECAC ΔE 0.041
- Light Teal #90E4C1 ΔE 0.051
- Pale Olive Green #B1D27B ΔE 0.052
- Washed Out Green #BCF5A6 ΔE 0.054
- Seafoam #80F9AD ΔE 0.055
Use #A3E59B 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.