#64D39B
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.7% 0.131 159.2), rgb(100, 211, 155).
Aa
Black text reads best on this color (11.33:1).
About this color
#64D39B is a light, moderately saturated green. In OKLCH its lightness is 79%, its chroma 0.131 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.031 away. Black text reads best on it, at 11.33:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.33:1 |
| White text | 1.85:1 |
Values
| HEX | #64D39B |
| RGB | rgb(100, 211, 155) |
| HSL | hsl(150, 56%, 61%) |
| OKLCH | oklch(78.7% 0.131 159.2) |
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 #64D39B | 1.85:1 | Fails | Lc -38.8 | Non-text elements, placeholder text |
| Black text on #64D39B | 11.33:1 | AAA | Lc 69.2 | Content text, not long reading |
| #64D39B text on white | 1.85:1 | Fails | Lc 34.7 | Non-text elements, placeholder text |
| #64D39B text on black | 11.33:1 | AAA | Lc -67.9 | Content text, not long reading |
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 300.
-
Step 50
50
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D5F2E1
oklch(93.5% 0.038 159.9)
-
Step 200
200
#B0E8C8
oklch(88.4% 0.072 159.4)
-
Step 300
300 (this color)
#64D39B
oklch(78.7% 0.131 159.2)
-
Step 400
400
#00BE7B
oklch(70.7% 0.162 159.2)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008957
oklch(55.5% 0.128 159.1)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#64D39B 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) | #D1C598 | 0.123 |
| Deuteranopia (no green cones) | #C1BA9E | 0.119 |
| Tritanopia (no blue cones) | #40D2C4 | 0.059 |
| Achromatopsia (no color) | #BEBEBE | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64D39B
#64D39B
oklch(78.7% 0.131 159.2)
- #F197D5
#F197D5
oklch(78.7% 0.132 339.3)
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 #64D39B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.031
- Emerald #06D6A0 ΔE 0.035
- Seafoam Blue #78D1B6 ΔE 0.045
- Pale Teal #82CBB2 ΔE 0.053
- Aqua Green #12E193 ΔE 0.053
- Soft Green #6FC276 ΔE 0.054
- Aqua Marine #2EE8BB ΔE 0.060
- Seaweed #18D17B ΔE 0.060
Use #64D39B 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.