#A3E18B
Closest named color: Hospital Green (#9BE5AA). oklch(84.7% 0.131 137.3), rgb(163, 225, 139).
Aa
Black text reads best on this color (13.70:1).
About this color
#A3E18B is a light, moderately saturated green. In OKLCH its lightness is 85%, its chroma 0.131 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.035 away. Black text reads best on it, at 13.70:1.
| Hue family | Greens |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 13.70:1 |
| White text | 1.53:1 |
Values
| HEX | #A3E18B |
| RGB | rgb(163, 225, 139) |
| HSL | hsl(103, 59%, 71%) |
| OKLCH | oklch(84.7% 0.131 137.3) |
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 #A3E18B | 1.53:1 | Fails | Lc -27.8 | Dividers and decoration only |
| Black text on #A3E18B | 13.70:1 | AAA | Lc 79.2 | Fine for body text |
| #A3E18B text on white | 1.53:1 | Fails | Lc 24.6 | Dividers and decoration only |
| #A3E18B text on black | 13.70:1 | AAA | Lc -78.6 | 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
#EFF9EB
oklch(97.1% 0.021 136.6)
-
Step 100
100
#DBF2D2
oklch(93.6% 0.049 136.8)
-
Step 200
200 (this color)
#A3E18B
oklch(84.7% 0.131 137.3)
-
Step 300
300
#89D968
oklch(80.9% 0.168 137.4)
-
Step 400
400
#53BD00
oklch(70.7% 0.216 137.3)
-
Step 500
500
#46A200
oklch(63.1% 0.192 137.3)
-
Step 600
600
#3A8800
oklch(55.5% 0.169 137.3)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900
#1E4E00
oklch(37.5% 0.114 137.3)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#A3E18B 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) | #E7D485 | 0.089 |
| Deuteranopia (no green cones) | #DDCF90 | 0.086 |
| Tritanopia (no blue cones) | #A1DBCC | 0.092 |
| Achromatopsia (no color) | #D1D1D1 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E18B
#A3E18B
oklch(84.7% 0.131 137.3)
- #ECB5FF
#ECB5FF
oklch(84.7% 0.116 317.3)
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 #A3E18B, closest first.
No curated palette has a color within ΔE 0.04 of #A3E18B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.035
- Light Green #90EE90 ΔE 0.036
- Light Grey Green #B7E1A1 ΔE 0.039
- Pale Olive Green #B1D27B ΔE 0.039
- Greenish Beige #C9D179 ΔE 0.056
- Light Sage #BCECAC ΔE 0.056
- Pale Olive #B9CC81 ΔE 0.057
- Greenish Tan #BCCB7A ΔE 0.059
Use #A3E18B 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.