#64D3CB
Closest named color: Medium Turquoise (#48D1CC). oklch(80% 0.102 189), rgb(100, 211, 203).
Aa
Black text reads best on this color (11.72:1).
About this color
#64D3CB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.102 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.020 away. Black text reads best on it, at 11.72:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 11.72:1 |
| White text | 1.79:1 |
Values
| HEX | #64D3CB |
| RGB | rgb(100, 211, 203) |
| HSL | hsl(176, 56%, 61%) |
| OKLCH | oklch(80% 0.102 189) |
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 #64D3CB | 1.79:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #64D3CB | 11.72:1 | AAA | Lc 70.9 | Content text, not long reading |
| #64D3CB text on white | 1.79:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #64D3CB text on black | 11.72:1 | AAA | Lc -69.7 | 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
#ECF9F7
oklch(97.2% 0.014 186)
-
Step 100
100
#D5F1EE
oklch(93.7% 0.03 188.8)
-
Step 200
200
#AEE6E1
oklch(88.5% 0.057 189.3)
-
Step 300
300 (this color)
#64D3CB
oklch(80% 0.102 189)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#64D3CB 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) | #C9C9CB | 0.109 |
| Deuteranopia (no green cones) | #B7BCCC | 0.102 |
| Tritanopia (no blue cones) | #0BD8D0 | 0.034 |
| Achromatopsia (no color) | #C1C1C1 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64D3CB
#64D3CB
oklch(80% 0.102 189)
- #F7A2B0
#F7A2B0
oklch(80% 0.102 8.9)
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 #64D3CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.020
- Seafoam Blue #78D1B6 ΔE 0.030
- Turquoise #40E0D0 ΔE 0.037
- Pale Teal #82CBB2 ΔE 0.038
- Dark Turquoise #00CED1 ΔE 0.043
- Tiffany Blue #94D2BD ΔE 0.044
- Medium Aquamarine #66CDAA ΔE 0.044
- Aqua Blue #02D8E9 ΔE 0.048
Use #64D3CB 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.