#64CDCF
Closest named color: Medium Turquoise (#48D1CC). oklch(78.7% 0.097 197), rgb(100, 205, 207).
Aa
Black text reads best on this color (11.17:1).
About this color
#64CDCF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.097 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.022 away. Black text reads best on it, at 11.17:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 11.17:1 |
| White text | 1.87:1 |
Values
| HEX | #64CDCF |
| RGB | rgb(100, 205, 207) |
| HSL | hsl(181, 53%, 60%) |
| OKLCH | oklch(78.7% 0.097 197) |
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 #64CDCF | 1.87:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #64CDCF | 11.17:1 | AAA | Lc 68.5 | Content text, not long reading |
| #64CDCF text on white | 1.87:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #64CDCF text on black | 11.17:1 | AAA | Lc -67.1 | 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
#ECF8F8
oklch(97% 0.013 196.9)
-
Step 100
100
#D5F0F0
oklch(93.6% 0.028 196.7)
-
Step 200
200
#B0E5E5
oklch(88.5% 0.054 196.2)
-
Step 300
300 (this color)
#64CDCF
oklch(78.7% 0.097 197)
-
Step 400
400
#00B7BA
oklch(70.7% 0.12 196.9)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#64CDCF 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) | #C1C5CF | 0.100 |
| Deuteranopia (no green cones) | #AFB7D0 | 0.094 |
| Tritanopia (no blue cones) | #05D3CD | 0.039 |
| Achromatopsia (no color) | #BDBDBD | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64CDCF
#64CDCF
oklch(78.7% 0.097 197)
- #F1A0A3
#F1A0A3
oklch(78.6% 0.097 17.1)
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 #64CDCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.022
- Dark Turquoise #00CED1 ΔE 0.037
- Seafoam Blue #78D1B6 ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.044
- Aqua Blue #02D8E9 ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.053
- Tiffany Blue #94D2BD ΔE 0.054
- Vivid Sky Blue #4CC9F0 ΔE 0.054
Use #64CDCF 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.