#64DDBF
Closest named color: Turquoise (#40E0D0). oklch(82% 0.118 174.5), rgb(100, 221, 191).
Aa
Black text reads best on this color (12.63:1).
About this color
#64DDBF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.118 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.026 away. Black text reads best on it, at 12.63:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.63:1 |
| White text | 1.66:1 |
Values
| HEX | #64DDBF |
| RGB | rgb(100, 221, 191) |
| HSL | hsl(165, 64%, 63%) |
| OKLCH | oklch(82% 0.118 174.5) |
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 #64DDBF | 1.66:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #64DDBF | 12.63:1 | AAA | Lc 74.9 | Content text, not long reading |
| #64DDBF text on white | 1.66:1 | Fails | Lc 28.9 | Dividers and decoration only |
| #64DDBF text on black | 12.63:1 | AAA | Lc -74.0 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D4F2E8
oklch(93.7% 0.034 173.5)
-
Step 200
200
#ACE8D6
oklch(88.5% 0.066 174.3)
-
Step 300
300 (this color)
#64DDBF
oklch(82% 0.118 174.5)
-
Step 400
400
#00BB9B
oklch(70.7% 0.134 174.5)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#64DDBF 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) | #D6D1BE | 0.123 |
| Deuteranopia (no green cones) | #C4C3C1 | 0.118 |
| Tritanopia (no blue cones) | #1CDFD4 | 0.037 |
| Achromatopsia (no color) | #C9C9C9 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64DDBF
#64DDBF
oklch(82% 0.118 174.5)
- #FFA5C8
#FFA5C8
oklch(82.1% 0.114 355)
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 #64DDBF, closest first.
No curated palette has a color within ΔE 0.04 of #64DDBF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.026
- Seafoam Blue #78D1B6 ΔE 0.033
- Aqua Marine #2EE8BB ΔE 0.040
- Light Teal #90E4C1 ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.045
- Medium Turquoise #48D1CC ΔE 0.048
- Tiffany Blue #94D2BD ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.049
Use #64DDBF 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.