#64DACF
Closest named color: Turquoise (#40E0D0). oklch(81.8% 0.108 187.1), rgb(100, 218, 207).
Aa
Black text reads best on this color (12.47:1).
About this color
#64DACF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.108 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.024 away. Black text reads best on it, at 12.47:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.47:1 |
| White text | 1.68:1 |
Values
| HEX | #64DACF |
| RGB | rgb(100, 218, 207) |
| HSL | hsl(174, 61%, 62%) |
| OKLCH | oklch(81.8% 0.108 187.1) |
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 #64DACF | 1.68:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #64DACF | 12.47:1 | AAA | Lc 74.2 | Content text, not long reading |
| #64DACF text on white | 1.68:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #64DACF text on black | 12.47:1 | AAA | Lc -73.2 | 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
#EBF9F7
oklch(97.1% 0.015 186.7)
-
Step 100
100
#D4F1ED
oklch(93.6% 0.031 186.6)
-
Step 200
200
#ACE7E0
oklch(88.6% 0.061 187.1)
-
Step 300
300 (this color)
#64DACF
oklch(81.8% 0.108 187.1)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#64DACF 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) | #D0D0CF | 0.115 |
| Deuteranopia (no green cones) | #BDC2D0 | 0.107 |
| Tritanopia (no blue cones) | #00DFD6 | 0.034 |
| Achromatopsia (no color) | #C7C7C7 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64DACF
#64DACF
oklch(81.8% 0.108 187.1)
- #FFA6B7
#FFA6B7
oklch(81.7% 0.107 7.2)
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 #64DACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.024
- Medium Turquoise #48D1CC ΔE 0.033
- Seafoam Blue #78D1B6 ΔE 0.036
- Tiffany Blue #94D2BD ΔE 0.045
- Pale Teal #82CBB2 ΔE 0.049
- Aqua Blue #02D8E9 ΔE 0.049
- Medium Aquamarine #66CDAA ΔE 0.054
- Light Teal #90E4C1 ΔE 0.054
Use #64DACF 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.