#64DAD4
Closest named color: Turquoise (#40E0D0). oklch(81.9% 0.107 190.8), rgb(100, 218, 212).
Aa
Black text reads best on this color (12.52:1).
About this color
#64DAD4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.107 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.027 away. Black text reads best on it, at 12.52:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.52:1 |
| White text | 1.67:1 |
Values
| HEX | #64DAD4 |
| RGB | rgb(100, 218, 212) |
| HSL | hsl(177, 61%, 62%) |
| OKLCH | oklch(81.9% 0.107 190.8) |
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 #64DAD4 | 1.67:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #64DAD4 | 12.52:1 | AAA | Lc 74.4 | Content text, not long reading |
| #64DAD4 text on white | 1.67:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #64DAD4 text on black | 12.52:1 | AAA | Lc -73.4 | 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
#EBF9F8
oklch(97.1% 0.015 191.8)
-
Step 100
100
#D4F1EF
oklch(93.7% 0.03 191.6)
-
Step 200
200
#ACE6E2
oklch(88.4% 0.059 190.8)
-
Step 300
300 (this color)
#64DAD4
oklch(81.9% 0.107 190.8)
-
Step 400
400
#00B8B2
oklch(70.6% 0.122 190.6)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B58
oklch(42.5% 0.073 190.9)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#64DAD4 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) | #CFD0D4 | 0.113 |
| Deuteranopia (no green cones) | #BCC2D5 | 0.106 |
| Tritanopia (no blue cones) | #00DFD8 | 0.034 |
| Achromatopsia (no color) | #C8C8C8 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64DAD4
#64DAD4
oklch(81.9% 0.107 190.8)
- #FFA8B3
#FFA8B3
oklch(82% 0.103 11.3)
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 #64DAD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.027
- Medium Turquoise #48D1CC ΔE 0.034
- Seafoam Blue #78D1B6 ΔE 0.041
- Aqua Blue #02D8E9 ΔE 0.045
- Tiffany Blue #94D2BD ΔE 0.047
- Pale Teal #82CBB2 ΔE 0.052
- Dark Turquoise #00CED1 ΔE 0.055
- Light Teal #90E4C1 ΔE 0.058
Use #64DAD4 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.