#64B571
Closest named color: Boring Green (#63B365). oklch(70.4% 0.127 147.8), rgb(100, 181, 113).
Aa
Black text reads best on this color (8.38:1).
About this color
#64B571 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.127 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.014 away. Black text reads best on it, at 8.38:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #64B571 |
| RGB | rgb(100, 181, 113) |
| HSL | hsl(130, 35%, 55%) |
| OKLCH | oklch(70.4% 0.127 147.8) |
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 #64B571 | 2.50:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #64B571 | 8.38:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #64B571 text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #64B571 text on black | 8.38:1 | AAA | Lc -53.0 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E0EEE1
oklch(93.5% 0.023 147.4)
-
Step 200
200
#C7E2C9
oklch(88.6% 0.044 147.3)
-
Step 300
300
#9ECFA4
oklch(80.8% 0.079 148.1)
-
Step 400
400 (this color)
#64B571
oklch(70.4% 0.127 147.8)
-
Step 500
500
#2EA34C
oklch(63.2% 0.162 147.9)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#06501D
oklch(37.7% 0.106 147.8)
-
Step 950
950
#092F12
oklch(27% 0.067 147.9)
#64B571 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) | #B7A96C | 0.103 |
| Deuteranopia (no green cones) | #ABA175 | 0.100 |
| Tritanopia (no blue cones) | #57B2A4 | 0.073 |
| Achromatopsia (no color) | #A4A4A4 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B571
#64B571
oklch(70.4% 0.127 147.8)
- #CA82C8
#CA82C8
oklch(70.4% 0.127 327.8)
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 #64B571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.014
- Faded Green #7BB274 ΔE 0.025
- Medium Sea Green #3CB371 ΔE 0.031
- Algae #54AC68 ΔE 0.032
- Asparagus #77AB56 ΔE 0.035
- Dark Mint #48C072 ΔE 0.035
- Tea #65AB7C ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.037
Use #64B571 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.