#63BF81
Closest named color: Soft Green (#6FC276). oklch(73.1% 0.127 152.7), rgb(99, 191, 129).
Aa
Black text reads best on this color (9.29:1).
About this color
#63BF81 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.127 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.021 away. Black text reads best on it, at 9.29:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.29:1 |
| White text | 2.25:1 |
Values
| HEX | #63BF81 |
| RGB | rgb(99, 191, 129) |
| HSL | hsl(140, 42%, 57%) |
| OKLCH | oklch(73.1% 0.127 152.7) |
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 #63BF81 | 2.25:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #63BF81 | 9.29:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #63BF81 text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #63BF81 text on black | 9.29:1 | AAA | Lc -57.8 | Large or bold text, headings |
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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE3
oklch(93.7% 0.023 153.4)
-
Step 200
200
#C4E2CB
oklch(88.5% 0.045 152.4)
-
Step 300
300
#9AD0A8
oklch(80.9% 0.079 152.4)
-
Step 400
400 (this color)
#63BF81
oklch(73.1% 0.127 152.7)
-
Step 500
500
#08A457
oklch(63.1% 0.161 152.8)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F2F
oklch(42.5% 0.11 152.7)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#032F16
oklch(26.9% 0.066 153.2)
#63BF81 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) | #BFB27D | 0.110 |
| Deuteranopia (no green cones) | #B2A985 | 0.108 |
| Tritanopia (no blue cones) | #4FBDAF | 0.066 |
| Achromatopsia (no color) | #ACACAC | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BF81
#63BF81
oklch(73.1% 0.127 152.7)
- #D789CB
#D789CB
oklch(73.1% 0.127 332.5)
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 #63BF81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.021
- Dark Mint #48C072 ΔE 0.031
- Greenblue #23C48B ΔE 0.034
- Faded Green #7BB274 ΔE 0.038
- Boring Green #63B365 ΔE 0.041
- Green Blue #01C08D ΔE 0.041
- Sage Green #88B378 ΔE 0.045
- Dark Mint Green #20C073 ΔE 0.045
Use #63BF81 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.