#64C6CA
Closest named color: Medium Turquoise (#48D1CC). oklch(76.9% 0.092 199), rgb(100, 198, 202).
Aa
Black text reads best on this color (10.47:1).
About this color
#64C6CA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.092 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.033 away. Black text reads best on it, at 10.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.47:1 |
| White text | 2.00:1 |
Values
| HEX | #64C6CA |
| RGB | rgb(100, 198, 202) |
| HSL | hsl(182, 49%, 59%) |
| OKLCH | oklch(76.9% 0.092 199) |
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 #64C6CA | 2.00:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #64C6CA | 10.47:1 | AAA | Lc 65.2 | Content text, not long reading |
| #64C6CA text on white | 2.00:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #64C6CA text on black | 10.47:1 | AAA | Lc -63.7 | 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
#EDF8F8
oklch(97.1% 0.012 197)
-
Step 100
100
#D6F0F0
oklch(93.6% 0.027 196.7)
-
Step 200
200
#B2E4E6
oklch(88.5% 0.051 199.3)
-
Step 300
300 (this color)
#64C6CA
oklch(76.9% 0.092 199)
-
Step 400
400
#00B7BD
oklch(70.8% 0.12 199)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#64C6CA 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) | #BABECA | 0.094 |
| Deuteranopia (no green cones) | #A9B2CB | 0.088 |
| Tritanopia (no blue cones) | #1BCCC7 | 0.039 |
| Achromatopsia (no color) | #B7B7B7 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64C6CA
#64C6CA
oklch(76.9% 0.092 199)
- #E99C9D
#E99C9D
oklch(76.9% 0.093 18.6)
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 #64C6CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.033
- Dark Turquoise #00CED1 ΔE 0.040
- Pale Teal #82CBB2 ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.052
- Vivid Sky Blue #4CC9F0 ΔE 0.054
- Medium Aquamarine #66CDAA ΔE 0.056
- Aqua Blue #02D8E9 ΔE 0.059
- Light Cornflower Blue #98C1D9 ΔE 0.060
Use #64C6CA 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.