#63B02C
Closest named color: Grass (#5CAC2D). oklch(68.2% 0.179 135.3), rgb(99, 176, 44).
Aa
Black text reads best on this color (7.77:1).
About this color
#63B02C is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.179 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.014 away. Black text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #63B02C |
| RGB | rgb(99, 176, 44) |
| HSL | hsl(95, 60%, 43%) |
| OKLCH | oklch(68.2% 0.179 135.3) |
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 #63B02C | 2.70:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #63B02C | 7.77:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #63B02C text on white | 2.70:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #63B02C text on black | 7.77:1 | AAA | Lc -49.8 | 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
#E1EFDA
oklch(93.6% 0.032 135)
-
Step 200
200
#C8E3BA
oklch(88.5% 0.062 134.9)
-
Step 300
300
#A1D187
oklch(80.9% 0.112 135.1)
-
Step 400
400 (this color)
#63B02C
oklch(68.2% 0.179 135.3)
-
Step 500
500
#51A000
oklch(63% 0.185 135.3)
-
Step 600
600
#438700
oklch(55.6% 0.164 135.4)
-
Step 700
700
#387100
oklch(49% 0.143 135.1)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#244E00
oklch(37.8% 0.111 135.4)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#63B02C 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) | #B7A110 | 0.109 |
| Deuteranopia (no green cones) | #AC9B39 | 0.109 |
| Tritanopia (no blue cones) | #61A997 | 0.131 |
| Achromatopsia (no color) | #9D9D9D | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B02C
#63B02C
oklch(68.2% 0.179 135.3)
- #C271E3
#C271E3
oklch(68.2% 0.179 315.4)
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 #63B02C, closest first.
No curated palette has a color within ΔE 0.04 of #63B02C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.014
- Leafy Green #51B73B ΔE 0.021
- Leaf #71AA34 ΔE 0.024
- Leaf Green #5CA904 ΔE 0.025
- Medium Green #39AD48 ΔE 0.038
- Dark Pastel Green #56AE57 ΔE 0.039
- Frog Green #58BC08 ΔE 0.040
- Turtle Green #75B84F ΔE 0.041
Use #63B02C 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.