#63DC81
Closest named color: Weird Green (#3AE57F). oklch(80.3% 0.168 149.3), rgb(99, 220, 129).
Aa
Black text reads best on this color (12.08:1).
About this color
#63DC81 is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.168 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Weird Green (#3AE57F), ΔE 0.032 away. Black text reads best on it, at 12.08:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Weird Green (#3AE57F) |
| Black text | 12.08:1 |
| White text | 1.73:1 |
Values
| HEX | #63DC81 |
| RGB | rgb(99, 220, 129) |
| HSL | hsl(135, 63%, 63%) |
| OKLCH | oklch(80.3% 0.168 149.3) |
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 #63DC81 | 1.73:1 | Fails | Lc -35.1 | Non-text elements, placeholder text |
| Black text on #63DC81 | 12.08:1 | AAA | Lc 72.6 | Content text, not long reading |
| #63DC81 text on white | 1.73:1 | Fails | Lc 31.3 | Non-text elements, placeholder text |
| #63DC81 text on black | 12.08:1 | AAA | Lc -71.5 | 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
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D4F4D9
oklch(93.7% 0.049 149.7)
-
Step 200
200
#AEEBB8
oklch(88.5% 0.093 149.2)
-
Step 300
300 (this color)
#63DC81
oklch(80.3% 0.168 149.3)
-
Step 400
400
#00C155
oklch(70.8% 0.199 149.2)
-
Step 500
500
#00A548
oklch(63% 0.177 149.3)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#003010
oklch(27% 0.075 149.4)
#63DC81 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) | #DECB7A | 0.139 |
| Deuteranopia (no green cones) | #CDC087 | 0.136 |
| Tritanopia (no blue cones) | #47D8C6 | 0.095 |
| Achromatopsia (no color) | #C4C4C4 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DC81
#63DC81
oklch(80.3% 0.168 149.3)
- #F994F3
#F994F3
oklch(80.3% 0.168 329.2)
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 #63DC81, closest first.
No curated palette has a color within ΔE 0.04 of #63DC81.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Weird Green #3AE57F ΔE 0.032
- Aqua Green #12E193 ΔE 0.033
- Fresh Green #69D84F ΔE 0.048
- Seaweed #18D17B ΔE 0.051
- Emerald #06D6A0 ΔE 0.056
- Turquoise Green #04F489 ΔE 0.067
- Light Green #90EE90 ΔE 0.068
- Apple #6ECB3C ΔE 0.068
Use #63DC81 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.