#64DDCE
Closest named color: Turquoise (#40E0D0). oklch(82.4% 0.111 184.4), rgb(100, 221, 206).
Aa
Black text reads best on this color (12.77:1).
About this color
#64DDCE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.111 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.020 away. Black text reads best on it, at 12.77:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.77:1 |
| White text | 1.64:1 |
Values
| HEX | #64DDCE |
| RGB | rgb(100, 221, 206) |
| HSL | hsl(173, 64%, 63%) |
| OKLCH | oklch(82.4% 0.111 184.4) |
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 #64DDCE | 1.64:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #64DDCE | 12.77:1 | AAA | Lc 75.5 | Fine for body text |
| #64DDCE text on white | 1.64:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #64DDCE text on black | 12.77:1 | AAA | Lc -74.6 | 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
#EBF9F6
oklch(97.1% 0.015 181.8)
-
Step 100
100
#D3F1EC
oklch(93.5% 0.032 184.5)
-
Step 200
200
#ACE7DE
oklch(88.5% 0.061 184.5)
-
Step 300
300 (this color)
#64DDCE
oklch(82.4% 0.111 184.4)
-
Step 400
400
#00B9AA
oklch(70.6% 0.125 184.7)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#64DDCE 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) | #D3D2CE | 0.118 |
| Deuteranopia (no green cones) | #C0C4D0 | 0.111 |
| Tritanopia (no blue cones) | #00E1D8 | 0.033 |
| Achromatopsia (no color) | #CACACA | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64DDCE
#64DDCE
oklch(82.4% 0.111 184.4)
- #FFA9BD
#FFA9BD
oklch(82.4% 0.104 4.4)
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 #64DDCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.020
- Seafoam Blue #78D1B6 ΔE 0.038
- Medium Turquoise #48D1CC ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.046
- Light Teal #90E4C1 ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.053
- Aqua Marine #2EE8BB ΔE 0.054
- Aqua Blue #02D8E9 ΔE 0.055
Use #64DDCE 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.