#63CA6F
Closest named color: Soft Green (#6FC276). oklch(75.5% 0.16 146.2), rgb(99, 202, 111).
Aa
Black text reads best on this color (10.20:1).
About this color
#63CA6F is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.160 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.028 away. Black text reads best on it, at 10.20:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.20:1 |
| White text | 2.05:1 |
Values
| HEX | #63CA6F |
| RGB | rgb(99, 202, 111) |
| HSL | hsl(127, 49%, 59%) |
| OKLCH | oklch(75.5% 0.16 146.2) |
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 #63CA6F | 2.05:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #63CA6F | 10.20:1 | AAA | Lc 64.1 | Content text, not long reading |
| #63CA6F text on white | 2.05:1 | Fails | Lc 39.8 | Non-text elements, placeholder text |
| #63CA6F text on black | 10.20:1 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEEFDF
oklch(93.5% 0.028 147)
-
Step 200
200
#C2E4C4
oklch(88.6% 0.056 146.7)
-
Step 300
300
#96D29A
oklch(80.8% 0.099 146.2)
-
Step 400
400 (this color)
#63CA6F
oklch(75.5% 0.16 146.2)
-
Step 500
500
#00A636
oklch(63.1% 0.192 146.2)
-
Step 600
600
#008C2C
oklch(55.7% 0.169 146.1)
-
Step 700
700
#007624
oklch(49.2% 0.15 146.2)
-
Step 800
800
#00601C
oklch(42.6% 0.129 146.3)
-
Step 900
900
#005116
oklch(37.9% 0.115 146.2)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#63CA6F 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) | #CDBB68 | 0.125 |
| Deuteranopia (no green cones) | #BEB175 | 0.123 |
| Tritanopia (no blue cones) | #51C6B4 | 0.095 |
| Achromatopsia (no color) | #B5B5B5 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CA6F
#63CA6F
oklch(75.5% 0.16 146.2)
- #E389E5
#E389E5
oklch(75.6% 0.159 326.2)
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 #63CA6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.028
- Seaweed #18D17B ΔE 0.035
- Dark Mint #48C072 ΔE 0.038
- Algae Green #21C36F ΔE 0.044
- Apple #6ECB3C ΔE 0.047
- Turtle Green #75B84F ΔE 0.050
- Dark Mint Green #20C073 ΔE 0.051
- Greenblue #23C48B ΔE 0.053
Use #63CA6F 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.