#A3E99E
Closest named color: Hospital Green (#9BE5AA). oklch(86.9% 0.123 142.9), rgb(163, 233, 158).
Aa
Black text reads best on this color (14.70:1).
About this color
#A3E99E is a light, moderately saturated green. In OKLCH its lightness is 87%, its chroma 0.123 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 0.023 away. Black text reads best on it, at 14.70:1.
| Hue family | Greens |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 14.70:1 |
| White text | 1.42:1 |
Values
| HEX | #A3E99E |
| RGB | rgb(163, 233, 158) |
| HSL | hsl(116, 63%, 77%) |
| OKLCH | oklch(86.9% 0.123 142.9) |
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 #A3E99E | 1.42:1 | Fails | Lc -23.3 | Dividers and decoration only |
| Black text on #A3E99E | 14.70:1 | AAA | Lc 83.2 | Fine for body text |
| #A3E99E text on white | 1.42:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #A3E99E text on black | 14.70:1 | AAA | Lc -82.9 | 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
#D9F2D6
oklch(93.5% 0.046 142.2)
-
Step 200
200 (this color)
#A3E99E
oklch(86.9% 0.123 142.9)
-
Step 300
300
#7EDA79
oklch(80.8% 0.159 142.9)
-
Step 400
400
#00C211
oklch(70.6% 0.237 142.9)
-
Step 500
500
#00A70C
oklch(63.1% 0.212 142.8)
-
Step 600
600
#008C09
oklch(55.5% 0.186 142.9)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800
#006104
oklch(42.7% 0.144 142.9)
-
Step 900
900
#005103
oklch(37.7% 0.127 142.9)
-
Step 950
950
#003101
oklch(27.1% 0.091 142.9)
#A3E99E 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) | #EDDC99 | 0.094 |
| Deuteranopia (no green cones) | #E2D5A2 | 0.092 |
| Tritanopia (no blue cones) | #9DE5D6 | 0.078 |
| Achromatopsia (no color) | #D8D8D8 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E99E
#A3E99E
oklch(86.9% 0.123 142.9)
- #F8BBFF
#F8BBFF
oklch(86.9% 0.112 323)
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 #A3E99E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.023
- Light Grey Green #B7E1A1 ΔE 0.031
- Light Green #90EE90 ΔE 0.032
- Light Sage #BCECAC ΔE 0.036
- Washed Out Green #BCF5A6 ΔE 0.045
- Seafoam #80F9AD ΔE 0.047
- Light Mint Green #A6FBB2 ΔE 0.048
- Seafoam Green #7AF9AB ΔE 0.049
Use #A3E99E 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.