#64B261
Closest named color: Boring Green (#63B365). oklch(69.4% 0.138 143.2), rgb(100, 178, 97).
Aa
Black text reads best on this color (8.08:1).
About this color
#64B261 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.138 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.005 away. Black text reads best on it, at 8.08:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.08:1 |
| White text | 2.59:1 |
Values
| HEX | #64B261 |
| RGB | rgb(100, 178, 97) |
| HSL | hsl(118, 34%, 54%) |
| OKLCH | oklch(69.4% 0.138 143.2) |
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 #64B261 | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #64B261 | 8.08:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #64B261 text on white | 2.59:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #64B261 text on black | 8.08:1 | AAA | Lc -51.4 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C7E2C5
oklch(88.5% 0.049 143.3)
-
Step 300
300
#A0D09D
oklch(81% 0.087 143.3)
-
Step 400
400 (this color)
#64B261
oklch(69.4% 0.138 143.2)
-
Step 500
500
#36A337
oklch(63.1% 0.177 143.3)
-
Step 600
600
#008C0F
oklch(55.5% 0.185 143.2)
-
Step 700
700
#00760B
oklch(49.1% 0.163 143.2)
-
Step 800
800
#006107
oklch(42.7% 0.142 143.1)
-
Step 900
900
#0D500F
oklch(37.7% 0.115 143.2)
-
Step 950
950
#0B2F0B
oklch(27% 0.073 143.2)
#64B261 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) | #B5A55B | 0.102 |
| Deuteranopia (no green cones) | #AA9E66 | 0.101 |
| Tritanopia (no blue cones) | #5BAE9F | 0.088 |
| Achromatopsia (no color) | #A1A1A1 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B261
#64B261
oklch(69.4% 0.138 143.2)
- #C57DCE
#C57DCE
oklch(69.3% 0.139 322.9)
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 #64B261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.005
- Dark Pastel Green #56AE57 ΔE 0.021
- Asparagus #77AB56 ΔE 0.024
- Algae #54AC68 ΔE 0.026
- Fern #63A950 ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.031
- Turtle Green #75B84F ΔE 0.033
- Cool Green #33B864 ΔE 0.035
Use #64B261 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.