#64A571
Closest named color: Tea (#65AB7C). oklch(66.4% 0.102 149.4), rgb(100, 165, 113).
Aa
Black text reads best on this color (7.16:1).
About this color
#64A571 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.102 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.019 away. Black text reads best on it, at 7.16:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.16:1 |
| White text | 2.93:1 |
Values
| HEX | #64A571 |
| RGB | rgb(100, 165, 113) |
| HSL | hsl(132, 27%, 52%) |
| OKLCH | oklch(66.4% 0.102 149.4) |
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 #64A571 | 2.93:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #64A571 | 7.16:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #64A571 text on white | 2.93:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #64A571 text on black | 7.16:1 | AAA | Lc -46.2 | 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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAB0
oklch(80.9% 0.049 149.8)
-
Step 400
400
#7DAF86
oklch(70.7% 0.08 149.5)
-
Step 500
500 (this color)
#64A571
oklch(66.4% 0.102 149.4)
-
Step 600
600
#3D854E
oklch(55.6% 0.111 149.3)
-
Step 700
700
#2F713F
oklch(49.2% 0.104 149.1)
-
Step 800
800
#285C34
oklch(42.8% 0.086 149.1)
-
Step 900
900
#264B2E
oklch(37.6% 0.065 149.4)
-
Step 950
950
#172C1B
oklch(27% 0.042 149.1)
#64A571 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) | #A69B6E | 0.085 |
| Deuteranopia (no green cones) | #9C9474 | 0.083 |
| Tritanopia (no blue cones) | #5AA397 | 0.056 |
| Achromatopsia (no color) | #979797 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A571
#64A571
oklch(66.4% 0.102 149.4)
- #B67CB2
#B67CB2
oklch(66.3% 0.102 329)
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 #64A571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.019
- Dusty Green #76A973 ΔE 0.024
- Dull Green #74A662 ΔE 0.024
- Algae #54AC68 ΔE 0.030
- Off Green #6BA353 ΔE 0.035
- Dark Seafoam Green #3EAF76 ΔE 0.037
- Greeny Grey #7EA07A ΔE 0.037
- Moss #769958 ΔE 0.039
Use #64A571 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.