#63B44C
Closest named color: Turtle Green (#75B84F). oklch(69.5% 0.161 139.2), rgb(99, 180, 76).
Aa
Black text reads best on this color (8.16:1).
About this color
#63B44C is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.161 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.023 away. Black text reads best on it, at 8.16:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.16:1 |
| White text | 2.57:1 |
Values
| HEX | #63B44C |
| RGB | rgb(99, 180, 76) |
| HSL | hsl(107, 41%, 50%) |
| OKLCH | oklch(69.5% 0.161 139.2) |
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 #63B44C | 2.57:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #63B44C | 8.16:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #63B44C text on white | 2.57:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #63B44C text on black | 8.16:1 | AAA | Lc -51.8 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDC
oklch(93.6% 0.03 139.1)
-
Step 200
200
#C7E3BF
oklch(88.6% 0.057 138.7)
-
Step 300
300
#9FD192
oklch(81% 0.101 139.3)
-
Step 400
400 (this color)
#63B44C
oklch(69.5% 0.161 139.2)
-
Step 500
500
#38A400
oklch(63.1% 0.2 139.3)
-
Step 600
600
#2E8A00
oklch(55.7% 0.176 139.3)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#1D5F00
oklch(42.7% 0.135 139.3)
-
Step 900
900
#174F00
oklch(37.6% 0.119 139.2)
-
Step 950
950
#0B2F00
oklch(26.9% 0.085 139)
#63B44C 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) | #B9A641 | 0.109 |
| Deuteranopia (no green cones) | #AE9F54 | 0.109 |
| Tritanopia (no blue cones) | #5DAE9D | 0.110 |
| Achromatopsia (no color) | #A1A1A1 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B44C
#63B44C
oklch(69.5% 0.161 139.2)
- #C779DB
#C779DB
oklch(69.5% 0.16 319.2)
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 #63B44C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.023
- Dark Pastel Green #56AE57 ΔE 0.026
- Leafy Green #51B73B ΔE 0.026
- Boring Green #63B365 ΔE 0.028
- Leaf #71AA34 ΔE 0.029
- Grass #5CAC2D ΔE 0.032
- Fern #63A950 ΔE 0.033
- Cool Green #33B864 ΔE 0.034
Use #63B44C 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.