#63CF87
Closest named color: Soft Green (#6FC276). oklch(77.2% 0.144 152.5), rgb(99, 207, 135).
Aa
Black text reads best on this color (10.80:1).
About this color
#63CF87 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.144 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.035 away. Black text reads best on it, at 10.80:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.80:1 |
| White text | 1.94:1 |
Values
| HEX | #63CF87 |
| RGB | rgb(99, 207, 135) |
| HSL | hsl(140, 53%, 60%) |
| OKLCH | oklch(77.2% 0.144 152.5) |
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 #63CF87 | 1.94:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #63CF87 | 10.80:1 | AAA | Lc 66.8 | Content text, not long reading |
| #63CF87 text on white | 1.94:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #63CF87 text on black | 10.80:1 | 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
#ECF9EF
oklch(97% 0.019 152.8)
-
Step 100
100
#D6F2DD
oklch(93.5% 0.041 153.1)
-
Step 200
200
#B2E9C0
oklch(88.5% 0.08 152.4)
-
Step 300
300 (this color)
#63CF87
oklch(77.2% 0.144 152.5)
-
Step 400
400
#00C064
oklch(70.8% 0.185 152.3)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#63CF87 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) | #CFC082 | 0.125 |
| Deuteranopia (no green cones) | #C0B68B | 0.121 |
| Tritanopia (no blue cones) | #48CCBC | 0.075 |
| Achromatopsia (no color) | #BABABA | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CF87
#63CF87
oklch(77.2% 0.144 152.5)
- #EA91DD
#EA91DD
oklch(77.2% 0.143 332.3)
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 #63CF87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.035
- Emerald #06D6A0 ΔE 0.041
- Seaweed #18D17B ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.050
- Greenblue #23C48B ΔE 0.051
- Aqua Green #12E193 ΔE 0.052
- Dark Mint #48C072 ΔE 0.052
- Algae Green #21C36F ΔE 0.060
Use #63CF87 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.