#64E8F4
Closest named color: Robin's Egg (#6DEDFD). oklch(86.2% 0.116 203.5), rgb(100, 232, 244).
Aa
Black text reads best on this color (14.39:1).
About this color
#64E8F4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.116 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.018 away. Black text reads best on it, at 14.39:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 14.39:1 |
| White text | 1.45:1 |
Values
| HEX | #64E8F4 |
| RGB | rgb(100, 232, 244) |
| HSL | hsl(185, 87%, 67%) |
| OKLCH | oklch(86.2% 0.116 203.5) |
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 #64E8F4 | 1.45:1 | Fails | Lc -24.5 | Dividers and decoration only |
| Black text on #64E8F4 | 14.39:1 | AAA | Lc 82.2 | Fine for body text |
| #64E8F4 text on white | 1.45:1 | Fails | Lc 21.5 | Dividers and decoration only |
| #64E8F4 text on black | 14.39:1 | AAA | Lc -81.8 | 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 200.
-
Step 50
50
#E7FAFB
oklch(97.1% 0.02 200.6)
-
Step 100
100
#C9F3F7
oklch(93.6% 0.044 203.6)
-
Step 200
200 (this color)
#64E8F4
oklch(86.2% 0.116 203.5)
-
Step 300
300
#00DAE9
oklch(81% 0.138 203.6)
-
Step 400
400
#00B6C2
oklch(70.7% 0.12 203.2)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#64E8F4 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) | #D8DFF5 | 0.116 |
| Deuteranopia (no green cones) | #C1CFF5 | 0.106 |
| Tritanopia (no blue cones) | #00F0EB | 0.041 |
| Achromatopsia (no color) | #D6D6D6 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64E8F4
#64E8F4
oklch(86.2% 0.116 203.5)
- #FFBFBB
#FFBFBB
oklch(86.2% 0.074 22.8)
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 #64E8F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.018
- Bright Light Blue #26F7FD ΔE 0.042
- Robin Egg Blue #8AF1FE ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Bright Cyan #41FDFE ΔE 0.054
- Turquoise #40E0D0 ΔE 0.058
- Bright Aqua #0BF9EA ΔE 0.058
- Bright Turquoise #0FFEF9 ΔE 0.060
Use #64E8F4 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.