#63C983
Closest named color: Soft Green (#6FC276). oklch(75.7% 0.139 151.9), rgb(99, 201, 131).
Aa
Black text reads best on this color (10.21:1).
About this color
#63C983 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.139 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 0.021 away. Black text reads best on it, at 10.21:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.21:1 |
| White text | 2.05:1 |
Values
| HEX | #63C983 |
| RGB | rgb(99, 201, 131) |
| HSL | hsl(139, 49%, 59%) |
| OKLCH | oklch(75.7% 0.139 151.9) |
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 #63C983 | 2.05:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #63C983 | 10.21:1 | AAA | Lc 64.1 | Content text, not long reading |
| #63C983 text on white | 2.05:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #63C983 text on black | 10.21:1 | AAA | Lc -62.5 | 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 400.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C2E3CA
oklch(88.5% 0.049 152.6)
-
Step 300
300
#96D1A5
oklch(80.8% 0.087 152)
-
Step 400
400 (this color)
#63C983
oklch(75.7% 0.139 151.9)
-
Step 500
500
#00A553
oklch(63.2% 0.167 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007439
oklch(49% 0.129 152)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#63C983 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) | #C9BB7E | 0.119 |
| Deuteranopia (no green cones) | #BBB187 | 0.117 |
| Tritanopia (no blue cones) | #4BC6B7 | 0.074 |
| Achromatopsia (no color) | #B5B5B5 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C983
#63C983
oklch(75.7% 0.139 151.9)
- #E38DD7
#E38DD7
oklch(75.6% 0.14 332)
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 #63C983, 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 0.039
- Greenblue #23C48B ΔE 0.041
- Seaweed #18D17B ΔE 0.044
- Emerald #06D6A0 ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.051
- Algae Green #21C36F ΔE 0.051
- Dark Mint Green #20C073 ΔE 0.053
Use #63C983 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.