#64A657
Closest named color: Off Green (#6BA353). oklch(66.2% 0.131 140.4), rgb(100, 166, 87).
Aa
Black text reads best on this color (7.13:1).
About this color
#64A657 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.131 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Off Green (#6BA353), ΔE 0.010 away. Black text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Off Green (#6BA353) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #64A657 |
| RGB | rgb(100, 166, 87) |
| HSL | hsl(110, 31%, 50%) |
| OKLCH | oklch(66.2% 0.131 140.4) |
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 #64A657 | 2.94:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #64A657 | 7.13:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #64A657 text on white | 2.94:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #64A657 text on black | 7.13:1 | AAA | Lc -46.0 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CDDFC9
oklch(88.4% 0.035 140)
-
Step 300
300
#ABCBA5
oklch(80.8% 0.063 140.7)
-
Step 400
400
#7DB073
oklch(70.6% 0.102 140.4)
-
Step 500
500 (this color)
#64A657
oklch(66.2% 0.131 140.4)
-
Step 600
600
#3F8730
oklch(55.7% 0.142 140.4)
-
Step 700
700
#307222
oklch(49.1% 0.132 140.4)
-
Step 800
800
#295D1E
oklch(42.8% 0.11 140.3)
-
Step 900
900
#264C1E
oklch(37.6% 0.085 140.2)
-
Step 950
950
#172D13
oklch(27.1% 0.054 140.6)
#64A657 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) | #AA9A51 | 0.092 |
| Deuteranopia (no green cones) | #A0945C | 0.091 |
| Tritanopia (no blue cones) | #5FA293 | 0.085 |
| Achromatopsia (no color) | #969696 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A657
#64A657
oklch(66.2% 0.131 140.4)
- #B677C4
#B677C4
oklch(66.3% 0.13 320.2)
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 #64A657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Green #6BA353 ΔE 0.010
- Fern #63A950 ΔE 0.013
- Muted Green #5FA052 ΔE 0.019
- Algae #54AC68 ΔE 0.023
- Dull Green #74A662 ΔE 0.024
- Flat Green #699D4C ΔE 0.025
- Dark Pastel Green #56AE57 ΔE 0.025
- Asparagus #77AB56 ΔE 0.027
Use #64A657 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.