#63CC6F
Closest named color: Soft Green (#6FC276). oklch(76% 0.163 146.1), rgb(99, 204, 111).
Aa
Black text reads best on this color (10.39:1).
About this color
#63CC6F is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.163 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 0.033 away. Black text reads best on it, at 10.39:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.39:1 |
| White text | 2.01:1 |
Values
| HEX | #63CC6F |
| RGB | rgb(99, 204, 111) |
| HSL | hsl(127, 51%, 59%) |
| OKLCH | oklch(76% 0.163 146.1) |
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 #63CC6F | 2.01:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #63CC6F | 10.39:1 | AAA | Lc 65.0 | Content text, not long reading |
| #63CC6F text on white | 2.01:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #63CC6F text on black | 10.39:1 | AAA | Lc -63.4 | 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
#EDFAED
oklch(97.2% 0.022 145.4)
-
Step 100
100
#D7F3D8
oklch(93.7% 0.046 146.2)
-
Step 200
200
#B3EAB6
oklch(88.6% 0.09 146.2)
-
Step 300
300 (this color)
#63CC6F
oklch(76% 0.163 146.1)
-
Step 400
400
#00C13F
oklch(70.6% 0.215 146)
-
Step 500
500
#00A635
oklch(63.1% 0.193 146)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#63CC6F 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) | #CFBC68 | 0.127 |
| Deuteranopia (no green cones) | #C0B375 | 0.124 |
| Tritanopia (no blue cones) | #51C8B6 | 0.097 |
| Achromatopsia (no color) | #B6B6B6 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CC6F
#63CC6F
oklch(76% 0.163 146.1)
- #E58AE8
#E58AE8
oklch(76.1% 0.162 325.9)
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 #63CC6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.033
- Seaweed #18D17B ΔE 0.034
- Dark Mint #48C072 ΔE 0.043
- Apple #6ECB3C ΔE 0.045
- Algae Green #21C36F ΔE 0.048
- Fresh Green #69D84F ΔE 0.053
- Turtle Green #75B84F ΔE 0.055
- Dark Mint Green #20C073 ΔE 0.055
Use #63CC6F 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.