#63B64F
Closest named color: Turtle Green (#75B84F). oklch(70.1% 0.162 139.8), rgb(99, 182, 79).
Aa
Black text reads best on this color (8.33:1).
About this color
#63B64F is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.162 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.019 away. Black text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #63B64F |
| RGB | rgb(99, 182, 79) |
| HSL | hsl(108, 41%, 51%) |
| OKLCH | oklch(70.1% 0.162 139.8) |
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 #63B64F | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #63B64F | 8.33:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #63B64F text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #63B64F text on black | 8.33:1 | AAA | Lc -52.8 | 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
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C6E3C0
oklch(88.5% 0.056 140.3)
-
Step 300
300
#9ED192
oklch(80.9% 0.101 139.7)
-
Step 400
400 (this color)
#63B64F
oklch(70.1% 0.162 139.8)
-
Step 500
500
#33A400
oklch(63% 0.202 139.8)
-
Step 600
600
#2A8A00
oklch(55.5% 0.178 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1A5F00
oklch(42.6% 0.136 139.8)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#093001
oklch(27.1% 0.086 140.1)
#63B64F 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) | #BBA845 | 0.110 |
| Deuteranopia (no green cones) | #AFA057 | 0.111 |
| Tritanopia (no blue cones) | #5CB19F | 0.108 |
| Achromatopsia (no color) | #A3A3A3 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B64F
#63B64F
oklch(70.1% 0.162 139.8)
- #CA7ADC
#CA7ADC
oklch(70.1% 0.161 320.1)
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 #63B64F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.019
- Leafy Green #51B73B ΔE 0.027
- Boring Green #63B365 ΔE 0.028
- Dark Pastel Green #56AE57 ΔE 0.030
- Cool Green #33B864 ΔE 0.034
- Leaf #71AA34 ΔE 0.034
- Grass #5CAC2D ΔE 0.037
- Fern #63A950 ΔE 0.038
Use #63B64F 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.