#A3E78B
Closest named color: Light Green (#90EE90). oklch(86.1% 0.14 137.9), rgb(163, 231, 139).
Aa
Black text reads best on this color (14.36:1).
About this color
#A3E78B is a light, vivid green. In OKLCH its lightness is 86%, its chroma 0.140 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.024 away. Black text reads best on it, at 14.36:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Light Green (#90EE90) |
| Black text | 14.36:1 |
| White text | 1.46:1 |
Values
| HEX | #A3E78B |
| RGB | rgb(163, 231, 139) |
| HSL | hsl(104, 66%, 73%) |
| OKLCH | oklch(86.1% 0.14 137.9) |
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 #A3E78B | 1.46:1 | Fails | Lc -24.8 | Dividers and decoration only |
| Black text on #A3E78B | 14.36:1 | AAA | Lc 81.9 | Fine for body text |
| #A3E78B text on white | 1.46:1 | Fails | Lc 21.8 | Dividers and decoration only |
| #A3E78B text on black | 14.36:1 | AAA | Lc -81.5 | 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
#EEFAEA
oklch(97.2% 0.025 137.8)
-
Step 100
100
#D9F3D1
oklch(93.6% 0.053 138.3)
-
Step 200
200 (this color)
#A3E78B
oklch(86.1% 0.14 137.9)
-
Step 300
300
#83DB61
oklch(81% 0.18 137.8)
-
Step 400
400
#4FBE00
oklch(70.8% 0.218 137.9)
-
Step 500
500
#43A300
oklch(63.2% 0.195 137.9)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#235E00
oklch(42.6% 0.131 138)
-
Step 900
900
#1C4F00
oklch(37.8% 0.117 138)
-
Step 950
950
#0E2F00
oklch(27% 0.083 137.8)
#A3E78B 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) | #EDD984 | 0.095 |
| Deuteranopia (no green cones) | #E2D390 | 0.093 |
| Tritanopia (no blue cones) | #A0E1D0 | 0.096 |
| Achromatopsia (no color) | #D5D5D5 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E78B
#A3E78B
oklch(86.1% 0.14 137.9)
- #EFBBFF
#EFBBFF
oklch(86% 0.107 318.1)
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 #A3E78B, closest first.
No curated palette has a color within ΔE 0.04 of #A3E78B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Green #90EE90 ΔE 0.024
- Hospital Green #9BE5AA ΔE 0.040
- Light Grey Green #B7E1A1 ΔE 0.044
- Pale Green #98FB98 ΔE 0.051
- Light Sage #BCECAC ΔE 0.052
- Pale Olive Green #B1D27B ΔE 0.054
- Seafoam #80F9AD ΔE 0.054
- Seafoam Green #7AF9AB ΔE 0.055
Use #A3E78B 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.