#64FDFF
Closest named color: Bright Cyan (#41FDFE). oklch(91.4% 0.128 196.4), rgb(100, 253, 255).
Aa
Black text reads best on this color (17.03:1).
About this color
#64FDFF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.128 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.017 away. Black text reads best on it, at 17.03:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 17.03:1 |
| White text | 1.23:1 |
Values
| HEX | #64FDFF |
| RGB | rgb(100, 253, 255) |
| HSL | hsl(181, 100%, 70%) |
| OKLCH | oklch(91.4% 0.128 196.4) |
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 #64FDFF | 1.23:1 | Fails | Lc -13.0 | Not readable |
| Black text on #64FDFF | 17.03:1 | AAA | Lc 92.4 | Preferred for body text |
| #64FDFF text on white | 1.23:1 | Fails | Lc 11.2 | Not readable |
| #64FDFF text on black | 17.03:1 | AAA | Lc -92.9 | Preferred 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 100.
-
Step 50
50
#E5FAFA
oklch(97% 0.022 196.8)
-
Step 100
100 (this color)
#64FDFF
oklch(91.4% 0.128 196.4)
-
Step 200
200
#8CECED
oklch(88.4% 0.091 196.5)
-
Step 300
300
#00DBDE
oklch(80.8% 0.138 196.5)
-
Step 400
400
#00B7B9
oklch(70.6% 0.12 196.2)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#64FDFF 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) | #EDF2FF | 0.133 |
| Deuteranopia (no green cones) | #D5E0FF | 0.123 |
| Tritanopia (no blue cones) | #00FFFD | 0.029 |
| Achromatopsia (no color) | #E7E7E7 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64FDFF
#64FDFF
oklch(91.4% 0.128 196.4)
- #FFD7D8
#FFD7D8
oklch(91.3% 0.045 16.3)
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 #64FDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.017
- Cyan #00FFFF ΔE 0.028
- Bright Turquoise #0FFEF9 ΔE 0.030
- Bright Light Blue #26F7FD ΔE 0.032
- Robin Egg Blue #8AF1FE ΔE 0.039
- Robin's Egg #6DEDFD ΔE 0.043
- Bright Aqua #0BF9EA ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.048
Use #64FDFF 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.