#64D4CB
Closest named color: Medium Turquoise (#48D1CC). oklch(80.2% 0.103 188.3), rgb(100, 212, 203).
Aa
Black text reads best on this color (11.82:1).
About this color
#64D4CB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.103 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.021 away. Black text reads best on it, at 11.82:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 11.82:1 |
| White text | 1.77:1 |
Values
| HEX | #64D4CB |
| RGB | rgb(100, 212, 203) |
| HSL | hsl(175, 57%, 61%) |
| OKLCH | oklch(80.2% 0.103 188.3) |
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 #64D4CB | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #64D4CB | 11.82:1 | AAA | Lc 71.4 | Content text, not long reading |
| #64D4CB text on white | 1.77:1 | Fails | Lc 32.5 | Non-text elements, placeholder text |
| #64D4CB text on black | 11.82:1 | AAA | Lc -70.2 | 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
#D4F1EE
oklch(93.6% 0.031 189.1)
-
Step 200
200
#AEE6E0
oklch(88.5% 0.058 188)
-
Step 300
300 (this color)
#64D4CB
oklch(80.2% 0.103 188.3)
-
Step 400
400
#00B9AF
oklch(70.8% 0.123 188)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
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
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#64D4CB 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) | #CACACB | 0.110 |
| Deuteranopia (no green cones) | #B8BDCC | 0.103 |
| Tritanopia (no blue cones) | #09D9D1 | 0.034 |
| Achromatopsia (no color) | #C2C2C2 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64D4CB
#64D4CB
oklch(80.2% 0.103 188.3)
- #F8A2B1
#F8A2B1
oklch(80.1% 0.103 8.3)
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 #64D4CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.021
- Seafoam Blue #78D1B6 ΔE 0.029
- Turquoise #40E0D0 ΔE 0.035
- Pale Teal #82CBB2 ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.044
- Medium Aquamarine #66CDAA ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.045
- Aqua Blue #02D8E9 ΔE 0.048
Use #64D4CB 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.