#64E6CF
Closest named color: Turquoise (#40E0D0). oklch(84.6% 0.12 179.8), rgb(100, 230, 207).
Aa
Black text reads best on this color (13.76:1).
About this color
#64E6CF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.120 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.028 away. Black text reads best on it, at 13.76:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.76:1 |
| White text | 1.52:1 |
Values
| HEX | #64E6CF |
| RGB | rgb(100, 230, 207) |
| HSL | hsl(169, 72%, 65%) |
| OKLCH | oklch(84.6% 0.12 179.8) |
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 #64E6CF | 1.52:1 | Fails | Lc -27.4 | Dividers and decoration only |
| Black text on #64E6CF | 13.76:1 | AAA | Lc 79.6 | Fine for body text |
| #64E6CF text on white | 1.52:1 | Fails | Lc 24.1 | Dividers and decoration only |
| #64E6CF text on black | 13.76:1 | AAA | Lc -79.0 | Fine for body text |
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
#D2F2EA
oklch(93.6% 0.035 178.8)
-
Step 200
200
#A9E8DA
oklch(88.5% 0.067 179.4)
-
Step 300
300 (this color)
#64E6CF
oklch(84.6% 0.12 179.8)
-
Step 400
400
#00BAA3
oklch(70.7% 0.128 179.7)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#64E6CF 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) | #DDDACE | 0.126 |
| Deuteranopia (no green cones) | #C9CBD1 | 0.120 |
| Tritanopia (no blue cones) | #00E9DF | 0.034 |
| Achromatopsia (no color) | #D1D1D1 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64E6CF
#64E6CF
oklch(84.6% 0.12 179.8)
- #FFB4CA
#FFB4CA
oklch(84.6% 0.091 0)
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 #64E6CF, closest first.
No curated palette has a color within ΔE 0.04 of #64E6CF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.028
- Light Teal #90E4C1 ΔE 0.036
- Aqua Marine #2EE8BB ΔE 0.043
- Light Turquoise #7EF4CC ΔE 0.047
- Bright Aqua #0BF9EA ΔE 0.054
- Seafoam Blue #78D1B6 ΔE 0.056
- Tiffany Blue #94D2BD ΔE 0.060
- Hospital Green #9BE5AA ΔE 0.061
Use #64E6CF 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.