#A3E491
Closest named color: Hospital Green (#9BE5AA). oklch(85.5% 0.129 139), rgb(163, 228, 145).
Aa
Black text reads best on this color (14.06:1).
About this color
#A3E491 is a light, moderately saturated green. In OKLCH its lightness is 86%, its chroma 0.129 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.030 away. Black text reads best on it, at 14.06:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 14.06:1 |
| White text | 1.49:1 |
Values
| HEX | #A3E491 |
| RGB | rgb(163, 228, 145) |
| HSL | hsl(107, 61%, 73%) |
| OKLCH | oklch(85.5% 0.129 139) |
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 #A3E491 | 1.49:1 | Fails | Lc -26.2 | Dividers and decoration only |
| Black text on #A3E491 | 14.06:1 | AAA | Lc 80.7 | Fine for body text |
| #A3E491 text on white | 1.49:1 | Fails | Lc 23.1 | Dividers and decoration only |
| #A3E491 text on black | 14.06:1 | AAA | Lc -80.2 | 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
#EEF9EB
oklch(97% 0.022 139)
-
Step 100
100
#DAF2D4
oklch(93.6% 0.047 139.4)
-
Step 200
200 (this color)
#A3E491
oklch(85.5% 0.129 139)
-
Step 300
300
#85DA6D
oklch(81% 0.167 139.1)
-
Step 400
400
#45BF00
oklch(70.8% 0.223 139.1)
-
Step 500
500
#3AA400
oklch(63.2% 0.2 139.1)
-
Step 600
600
#308A00
oklch(55.7% 0.176 139)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#1E5F00
oklch(42.7% 0.135 139.1)
-
Step 900
900
#184F00
oklch(37.6% 0.119 139)
-
Step 950
950
#0B2F00
oklch(26.9% 0.085 139)
#A3E491 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) | #E9D78B | 0.090 |
| Deuteranopia (no green cones) | #DFD196 | 0.089 |
| Tritanopia (no blue cones) | #A0DFCF | 0.087 |
| Achromatopsia (no color) | #D3D3D3 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E491
#A3E491
oklch(85.5% 0.129 139)
- #F0B7FF
#F0B7FF
oklch(85.4% 0.115 319.1)
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 #A3E491, closest first.
No curated palette has a color within ΔE 0.04 of #A3E491.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.030
- Light Green #90EE90 ΔE 0.032
- Light Grey Green #B7E1A1 ΔE 0.035
- Pale Olive Green #B1D27B ΔE 0.047
- Light Sage #BCECAC ΔE 0.049
- Seafoam #80F9AD ΔE 0.058
- Washed Out Green #BCF5A6 ΔE 0.058
- Seafoam Green #7AF9AB ΔE 0.059
Use #A3E491 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.