#64D4BD
Closest named color: Seafoam Blue (#78D1B6). oklch(79.8% 0.108 178), rgb(100, 212, 189).
Aa
Black text reads best on this color (11.69:1).
About this color
#64D4BD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.108 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.017 away. Black text reads best on it, at 11.69:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 11.69:1 |
| White text | 1.79:1 |
Values
| HEX | #64D4BD |
| RGB | rgb(100, 212, 189) |
| HSL | hsl(168, 57%, 61%) |
| OKLCH | oklch(79.8% 0.108 178) |
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 #64D4BD | 1.79:1 | Fails | Lc -37.1 | Non-text elements, placeholder text |
| Black text on #64D4BD | 11.69:1 | AAA | Lc 70.8 | Content text, not long reading |
| #64D4BD text on white | 1.79:1 | Fails | Lc 33.1 | Non-text elements, placeholder text |
| #64D4BD text on black | 11.69:1 | AAA | Lc -69.6 | 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
#ECF9F5
oklch(97.1% 0.015 175.7)
-
Step 100
100
#D5F1EA
oklch(93.6% 0.031 178.9)
-
Step 200
200
#AFE7D9
oklch(88.6% 0.06 177.8)
-
Step 300
300 (this color)
#64D4BD
oklch(79.8% 0.108 178)
-
Step 400
400
#00BAA1
oklch(70.6% 0.129 178.5)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#64D4BD 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) | #CDC9BC | 0.115 |
| Deuteranopia (no green cones) | #BBBCBF | 0.109 |
| Tritanopia (no blue cones) | #25D7CD | 0.033 |
| Achromatopsia (no color) | #C1C1C1 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64D4BD
#64D4BD
oklch(79.8% 0.108 178)
- #F69FBD
#F69FBD
oklch(79.7% 0.109 357.6)
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 #64D4BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.017
- Medium Aquamarine #66CDAA ΔE 0.028
- Medium Turquoise #48D1CC ΔE 0.030
- Pale Teal #82CBB2 ΔE 0.031
- Turquoise #40E0D0 ΔE 0.036
- Tiffany Blue #94D2BD ΔE 0.043
- Dark Turquoise #00CED1 ΔE 0.052
- Aqua Marine #2EE8BB ΔE 0.060
Use #64D4BD 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.