#A3D457
Closest named color: Yellow Green (#9ACD32). oklch(81% 0.163 127.7), rgb(163, 212, 87).
Aa
Black text reads best on this color (12.11:1).
About this color
#A3D457 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.163 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.033 away. Black text reads best on it, at 12.11:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 12.11:1 |
| White text | 1.73:1 |
Values
| HEX | #A3D457 |
| RGB | rgb(163, 212, 87) |
| HSL | hsl(84, 59%, 59%) |
| OKLCH | oklch(81% 0.163 127.7) |
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 #A3D457 | 1.73:1 | Fails | Lc -35.2 | Non-text elements, placeholder text |
| Black text on #A3D457 | 12.11:1 | AAA | Lc 72.5 | Content text, not long reading |
| #A3D457 text on white | 1.73:1 | Fails | Lc 31.3 | Non-text elements, placeholder text |
| #A3D457 text on black | 12.11:1 | AAA | Lc -71.4 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F9E9
oklch(97.2% 0.023 128.7)
-
Step 100
100
#E1F0CF
oklch(93.5% 0.046 127.3)
-
Step 200
200
#C8E5A4
oklch(88.5% 0.091 127.7)
-
Step 300
300 (this color)
#A3D457
oklch(81% 0.163 127.7)
-
Step 400
400
#80B400
oklch(70.7% 0.183 127.5)
-
Step 500
500
#6D9B00
oklch(63.2% 0.165 127.7)
-
Step 600
600
#5B8200
oklch(55.6% 0.145 127.6)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3D5900
oklch(42.6% 0.111 127.7)
-
Step 900
900
#334B00
oklch(37.9% 0.098 127.6)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#A3D457 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) | #DEC749 | 0.080 |
| Deuteranopia (no green cones) | #D7C460 | 0.081 |
| Tritanopia (no blue cones) | #A8CBB9 | 0.129 |
| Achromatopsia (no color) | #C5C5C5 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D457
#A3D457
oklch(81% 0.163 127.7)
- #D7ABFF
#D7ABFF
oklch(81% 0.124 307.8)
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 #A3D457, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.033
- Pale Olive Green #B1D27B ΔE 0.045
- Slime Green #99CC04 ΔE 0.046
- Light Moss Green #A6C875 ΔE 0.052
- Pea #A4BF20 ΔE 0.057
- Kiwi Green #8EE53F ΔE 0.058
- Fresh Green #69D84F ΔE 0.060
- Greenish Tan #BCCB7A ΔE 0.061
Use #A3D457 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.