#63CF89
Closest named color: Soft Green (#6FC276). oklch(77.3% 0.142 153.1), rgb(99, 207, 137).
Aa
Black text reads best on this color (10.81:1).
About this color
#63CF89 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.142 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 0.036 away. Black text reads best on it, at 10.81:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.81:1 |
| White text | 1.94:1 |
Values
| HEX | #63CF89 |
| RGB | rgb(99, 207, 137) |
| HSL | hsl(141, 53%, 60%) |
| OKLCH | oklch(77.3% 0.142 153.1) |
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 #63CF89 | 1.94:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #63CF89 | 10.81:1 | AAA | Lc 66.9 | Content text, not long reading |
| #63CF89 text on white | 1.94:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #63CF89 text on black | 10.81:1 | AAA | Lc -65.4 | 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
#ECF9F0
oklch(97% 0.018 155.8)
-
Step 100
100
#D6F2DD
oklch(93.5% 0.041 153.1)
-
Step 200
200
#B2E9C1
oklch(88.5% 0.079 153.1)
-
Step 300
300 (this color)
#63CF89
oklch(77.3% 0.142 153.1)
-
Step 400
400
#00C067
oklch(70.8% 0.182 153.1)
-
Step 500
500
#00A458
oklch(63% 0.161 153.3)
-
Step 600
600
#008A49
oklch(55.5% 0.142 153.3)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#63CF89 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) | #CFC085 | 0.125 |
| Deuteranopia (no green cones) | #C0B68D | 0.121 |
| Tritanopia (no blue cones) | #48CDBD | 0.073 |
| Achromatopsia (no color) | #BABABA | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CF89
#63CF89
oklch(77.3% 0.142 153.1)
- #EB91DC
#EB91DC
oklch(77.3% 0.143 333.1)
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 #63CF89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.036
- Emerald #06D6A0 ΔE 0.040
- Seaweed #18D17B ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.047
- Greenblue #23C48B ΔE 0.051
- Aqua Green #12E193 ΔE 0.053
- Dark Mint #48C072 ΔE 0.053
- Algae Green #21C36F ΔE 0.062
Use #63CF89 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.