#64A561
Closest named color: Off Green (#6BA353). oklch(66.1% 0.119 143.1), rgb(100, 165, 97).
Aa
Black text reads best on this color (7.09:1).
About this color
#64A561 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.119 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Off Green (#6BA353), ΔE 0.015 away. Black text reads best on it, at 7.09:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Off Green (#6BA353) |
| Black text | 7.09:1 |
| White text | 2.95:1 |
Values
| HEX | #64A561 |
| RGB | rgb(100, 165, 97) |
| HSL | hsl(117, 27%, 51%) |
| OKLCH | oklch(66.1% 0.119 143.1) |
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 #64A561 | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #64A561 | 7.09:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #64A561 text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #64A561 text on black | 7.09:1 | AAA | Lc -45.8 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CDDFCC
oklch(88.5% 0.032 143.8)
-
Step 300
300
#ABCBA9
oklch(80.9% 0.058 143.5)
-
Step 400
400
#7EB07B
oklch(70.8% 0.093 143.2)
-
Step 500
500 (this color)
#64A561
oklch(66.1% 0.119 143.1)
-
Step 600
600
#3F863D
oklch(55.6% 0.129 143.1)
-
Step 700
700
#30712F
oklch(49% 0.119 143.2)
-
Step 800
800
#295C28
oklch(42.6% 0.099 143.3)
-
Step 900
900
#264C25
oklch(37.7% 0.078 143.3)
-
Step 950
950
#172D16
oklch(27.2% 0.05 143.1)
#64A561 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) | #A89A5C | 0.089 |
| Deuteranopia (no green cones) | #9E9465 | 0.087 |
| Tritanopia (no blue cones) | #5DA194 | 0.075 |
| Achromatopsia (no color) | #969696 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A561
#64A561
oklch(66.1% 0.119 143.1)
- #B579BC
#B579BC
oklch(66.1% 0.117 323.1)
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 #64A561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Green #6BA353 ΔE 0.015
- Dull Green #74A662 ΔE 0.018
- Algae #54AC68 ΔE 0.021
- Muted Green #5FA052 ΔE 0.022
- Fern #63A950 ΔE 0.026
- Flat Green #699D4C ΔE 0.027
- Asparagus #77AB56 ΔE 0.032
- Dusty Green #76A973 ΔE 0.034
Use #64A561 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.