#64CFA4
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.9% 0.118 164.8), rgb(100, 207, 164).
Aa
Black text reads best on this color (11.00:1).
About this color
#64CFA4 is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.118 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.012 away. Black text reads best on it, at 11.00:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.00:1 |
| White text | 1.90:1 |
Values
| HEX | #64CFA4 |
| RGB | rgb(100, 207, 164) |
| HSL | hsl(156, 53%, 60%) |
| OKLCH | oklch(77.9% 0.118 164.8) |
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 #64CFA4 | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #64CFA4 | 11.00:1 | AAA | Lc 67.7 | Content text, not long reading |
| #64CFA4 text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #64CFA4 text on black | 11.00:1 | AAA | Lc -66.3 | 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
#ECF9F3
oklch(97.1% 0.016 166.7)
-
Step 100
100
#D6F2E4
oklch(93.7% 0.035 164.1)
-
Step 200
200
#B1E7CE
oklch(88.4% 0.065 164.9)
-
Step 300
300 (this color)
#64CFA4
oklch(77.9% 0.118 164.8)
-
Step 400
400
#00BD89
oklch(70.7% 0.149 164.9)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#64CFA4 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) | #CBC2A2 | 0.117 |
| Deuteranopia (no green cones) | #BBB7A7 | 0.112 |
| Tritanopia (no blue cones) | #3CCFC3 | 0.046 |
| Achromatopsia (no color) | #BCBCBC | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64CFA4
#64CFA4
oklch(77.9% 0.118 164.8)
- #ED98C9
#ED98C9
oklch(78% 0.118 344.7)
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 #64CFA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.012
- Seafoam Blue #78D1B6 ΔE 0.032
- Pale Teal #82CBB2 ΔE 0.038
- Emerald #06D6A0 ΔE 0.042
- Medium Turquoise #48D1CC ΔE 0.055
- Soft Green #6FC276 ΔE 0.058
- Dark Sea Green #8FBC8F ΔE 0.059
- Greenblue #23C48B ΔE 0.060
Use #64CFA4 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.