#64BF59
Closest named color: Turtle Green (#75B84F). oklch(72.5% 0.165 141.6), rgb(100, 191, 89).
Aa
Black text reads best on this color (9.13:1).
About this color
#64BF59 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.165 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.022 away. Black text reads best on it, at 9.13:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.13:1 |
| White text | 2.29:1 |
Values
| HEX | #64BF59 |
| RGB | rgb(100, 191, 89) |
| HSL | hsl(114, 44%, 55%) |
| OKLCH | oklch(72.5% 0.165 141.6) |
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 #64BF59 | 2.29:1 | Fails | Lc -49.9 | Large or bold text, headings |
| Black text on #64BF59 | 9.13:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #64BF59 text on white | 2.29:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #64BF59 text on black | 9.13:1 | AAA | Lc -57.0 | 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
#DFEFDD
oklch(93.5% 0.029 142.2)
-
Step 200
200
#C5E3C0
oklch(88.5% 0.057 141.1)
-
Step 300
300
#9BD293
oklch(81% 0.104 141.4)
-
Step 400
400 (this color)
#64BF59
oklch(72.5% 0.165 141.6)
-
Step 500
500
#1CA600
oklch(63.1% 0.21 141.6)
-
Step 600
600
#168C00
oklch(55.7% 0.186 141.6)
-
Step 700
700
#117600
oklch(49.2% 0.164 141.6)
-
Step 800
800
#0C6100
oklch(42.9% 0.143 141.6)
-
Step 900
900
#085100
oklch(37.8% 0.126 141.6)
-
Step 950
950
#053002
oklch(27% 0.087 141.7)
#64BF59 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) | #C3B050 | 0.117 |
| Deuteranopia (no green cones) | #B7A860 | 0.116 |
| Tritanopia (no blue cones) | #5ABAA8 | 0.107 |
| Achromatopsia (no color) | #ABABAB | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BF59
#64BF59
oklch(72.5% 0.165 141.6)
- #D580E3
#D580E3
oklch(72.5% 0.164 321.8)
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 #64BF59, closest first.
No curated palette has a color within ΔE 0.04 of #64BF59.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.022
- Dark Mint #48C072 ΔE 0.030
- Soft Green #6FC276 ΔE 0.036
- Algae Green #21C36F ΔE 0.038
- Leafy Green #51B73B ΔE 0.039
- Boring Green #63B365 ΔE 0.041
- Dark Mint Green #20C073 ΔE 0.042
- Cool Green #33B864 ΔE 0.043
Use #64BF59 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.