#64EEF6
Closest named color: Robin's Egg (#6DEDFD). oklch(87.7% 0.119 200.5), rgb(100, 238, 246).
Aa
Black text reads best on this color (15.10:1).
About this color
#64EEF6 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.119 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.013 away. Black text reads best on it, at 15.10:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 15.10:1 |
| White text | 1.39:1 |
Values
| HEX | #64EEF6 |
| RGB | rgb(100, 238, 246) |
| HSL | hsl(183, 89%, 68%) |
| OKLCH | oklch(87.7% 0.119 200.5) |
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 #64EEF6 | 1.39:1 | Fails | Lc -21.3 | Dividers and decoration only |
| Black text on #64EEF6 | 15.10:1 | AAA | Lc 85.0 | Fine for body text |
| #64EEF6 text on white | 1.39:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #64EEF6 text on black | 15.10:1 | AAA | Lc -84.8 | 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
#E6FAFB
oklch(97.1% 0.021 200.4)
-
Step 100
100
#C8F3F6
oklch(93.5% 0.044 201.7)
-
Step 200
200 (this color)
#64EEF6
oklch(87.7% 0.119 200.5)
-
Step 300
300
#00DAE4
oklch(80.8% 0.137 200.7)
-
Step 400
400
#00B6BF
oklch(70.6% 0.12 201.1)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#64EEF6 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) | #DEE4F7 | 0.121 |
| Deuteranopia (no green cones) | #C7D3F7 | 0.113 |
| Tritanopia (no blue cones) | #00F6F0 | 0.038 |
| Achromatopsia (no color) | #DBDBDB | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64EEF6
#64EEF6
oklch(87.7% 0.119 200.5)
- #FFC6C4
#FFC6C4
oklch(87.7% 0.065 20.8)
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 #64EEF6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.013
- Bright Light Blue #26F7FD ΔE 0.030
- Robin Egg Blue #8AF1FE ΔE 0.033
- Bright Cyan #41FDFE ΔE 0.039
- Robin's Egg Blue #98EFF9 ΔE 0.042
- Bright Turquoise #0FFEF9 ΔE 0.047
- Cyan #00FFFF ΔE 0.047
- Bright Aqua #0BF9EA ΔE 0.048
Use #64EEF6 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.