#63BC44
Closest named color: Leafy Green (#51B73B). oklch(71.5% 0.179 138.6), rgb(99, 188, 68).
Aa
Black text reads best on this color (8.80:1).
About this color
#63BC44 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.179 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.024 away. Black text reads best on it, at 8.80:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #63BC44 |
| RGB | rgb(99, 188, 68) |
| HSL | hsl(105, 47%, 50%) |
| OKLCH | oklch(71.5% 0.179 138.6) |
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 #63BC44 | 2.38:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #63BC44 | 8.80:1 | AAA | Lc 57.3 | Large or bold text, headings |
| #63BC44 text on white | 2.38:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #63BC44 text on black | 8.80:1 | AAA | Lc -55.3 | Large or bold text, headings |
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
#F1F8EE
oklch(97.1% 0.015 136.1)
-
Step 100
100
#DFEFDB
oklch(93.5% 0.032 139.4)
-
Step 200
200
#C5E4BC
oklch(88.6% 0.063 138.7)
-
Step 300
300
#9CD28C
oklch(80.9% 0.111 138.7)
-
Step 400
400 (this color)
#63BC44
oklch(71.5% 0.179 138.6)
-
Step 500
500
#3EA300
oklch(63.1% 0.197 138.5)
-
Step 600
600
#338900
oklch(55.5% 0.173 138.5)
-
Step 700
700
#297300
oklch(48.9% 0.153 138.6)
-
Step 800
800
#205F00
oklch(42.8% 0.134 138.7)
-
Step 900
900
#1A4F00
oklch(37.7% 0.118 138.5)
-
Step 950
950
#0C2F00
oklch(26.9% 0.084 138.6)
#63BC44 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) | #C2AD35 | 0.118 |
| Deuteranopia (no green cones) | #B6A54E | 0.118 |
| Tritanopia (no blue cones) | #5CB6A3 | 0.122 |
| Achromatopsia (no color) | #A8A8A8 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BC44
#63BC44
oklch(71.5% 0.179 138.6)
- #D17AE9
#D17AE9
oklch(71.5% 0.178 318.7)
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 #63BC44, closest first.
No curated palette has a color within ΔE 0.04 of #63BC44.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.024
- Turtle Green #75B84F ΔE 0.025
- Frog Green #58BC08 ΔE 0.034
- Dark Lime Green #7EBD01 ΔE 0.036
- Dark Lime #84B701 ΔE 0.037
- Shamrock Green #02C14D ΔE 0.041
- Dark Mint #48C072 ΔE 0.045
- Cool Green #33B864 ΔE 0.045
Use #63BC44 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.