#63CB6B
Closest named color: Soft Green (#6FC276). oklch(75.7% 0.165 145.2), rgb(99, 203, 107).
Aa
Black text reads best on this color (10.28:1).
About this color
#63CB6B is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.165 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.034 away. Black text reads best on it, at 10.28:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.28:1 |
| White text | 2.04:1 |
Values
| HEX | #63CB6B |
| RGB | rgb(99, 203, 107) |
| HSL | hsl(125, 50%, 59%) |
| OKLCH | oklch(75.7% 0.165 145.2) |
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 #63CB6B | 2.04:1 | Fails | Lc -44.0 | Non-text elements, placeholder text |
| Black text on #63CB6B | 10.28:1 | AAA | Lc 64.4 | Content text, not long reading |
| #63CB6B text on white | 2.04:1 | Fails | Lc 39.5 | Non-text elements, placeholder text |
| #63CB6B text on black | 10.28:1 | AAA | Lc -62.9 | 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 400.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DE
oklch(93.7% 0.031 145.3)
-
Step 200
200
#C2E4C2
oklch(88.5% 0.058 145.1)
-
Step 300
300
#96D398
oklch(81% 0.103 145.3)
-
Step 400
400 (this color)
#63CB6B
oklch(75.7% 0.165 145.2)
-
Step 500
500
#00A62E
oklch(63% 0.197 145.2)
-
Step 600
600
#008C26
oklch(55.6% 0.174 145.3)
-
Step 700
700
#00761E
oklch(49.2% 0.154 145.2)
-
Step 800
800
#006117
oklch(42.8% 0.134 145.2)
-
Step 900
900
#005112
oklch(37.8% 0.118 145.3)
-
Step 950
950
#003007
oklch(26.9% 0.084 145.2)
#63CB6B 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) | #CEBB63 | 0.127 |
| Deuteranopia (no green cones) | #C0B271 | 0.125 |
| Tritanopia (no blue cones) | #52C6B4 | 0.101 |
| Achromatopsia (no color) | #B5B5B5 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CB6B
#63CB6B
oklch(75.7% 0.165 145.2)
- #E488E9
#E488E9
oklch(75.7% 0.166 325.2)
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 #63CB6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.034
- Seaweed #18D17B ΔE 0.035
- Dark Mint #48C072 ΔE 0.042
- Apple #6ECB3C ΔE 0.042
- Algae Green #21C36F ΔE 0.046
- Turtle Green #75B84F ΔE 0.051
- Fresh Green #69D84F ΔE 0.052
- Dark Mint Green #20C073 ΔE 0.053
Use #63CB6B 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.