#64AD39
Closest named color: Grass (#5CAC2D). oklch(67.6% 0.167 136), rgb(100, 173, 57).
Aa
Black text reads best on this color (7.57:1).
About this color
#64AD39 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.167 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.013 away. Black text reads best on it, at 7.57:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.57:1 |
| White text | 2.77:1 |
Values
| HEX | #64AD39 |
| RGB | rgb(100, 173, 57) |
| HSL | hsl(98, 50%, 45%) |
| OKLCH | oklch(67.6% 0.167 136) |
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 #64AD39 | 2.77:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #64AD39 | 7.57:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #64AD39 text on white | 2.77:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #64AD39 text on black | 7.57:1 | AAA | Lc -48.6 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDB
oklch(93.6% 0.03 136.1)
-
Step 200
200
#C8E2BD
oklch(88.4% 0.057 136.4)
-
Step 300
300
#A2D08C
oklch(80.8% 0.104 135.9)
-
Step 400
400 (this color)
#64AD39
oklch(67.6% 0.167 136)
-
Step 500
500
#4EA100
oklch(63.1% 0.188 136)
-
Step 600
600
#408700
oklch(55.5% 0.165 136)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E00
oklch(37.7% 0.112 136.1)
-
Step 950
950
#122F00
oklch(27.2% 0.081 136)
#64AD39 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) | #B39F29 | 0.103 |
| Deuteranopia (no green cones) | #A99943 | 0.104 |
| Tritanopia (no blue cones) | #61A795 | 0.118 |
| Achromatopsia (no color) | #9B9B9B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AD39
#64AD39
oklch(67.6% 0.167 136)
- #BE73DB
#BE73DB
oklch(67.6% 0.166 315.9)
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 #64AD39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.013
- Leaf #71AA34 ΔE 0.014
- Fern #63A950 ΔE 0.027
- Dark Pastel Green #56AE57 ΔE 0.028
- Leaf Green #5CA904 ΔE 0.028
- Mid Green #50A747 ΔE 0.030
- Leafy Green #51B73B ΔE 0.030
- Medium Green #39AD48 ΔE 0.033
Use #64AD39 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.