#5EF3FF
Closest named color: Robin's Egg (#6DEDFD). oklch(89% 0.126 202.7), rgb(94, 243, 255).
Aa
Black text reads best on this color (15.74:1).
About this color
#5EF3FF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.126 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.017 away. Black text reads best on it, at 15.74:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 15.74:1 |
| White text | 1.33:1 |
Values
| HEX | #5EF3FF |
| RGB | rgb(94, 243, 255) |
| HSL | hsl(184, 100%, 68%) |
| OKLCH | oklch(89% 0.126 202.7) |
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 #5EF3FF | 1.33:1 | Fails | Lc -18.5 | Dividers and decoration only |
| Black text on #5EF3FF | 15.74:1 | AAA | Lc 87.5 | Fine for body text |
| #5EF3FF text on white | 1.33:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #5EF3FF text on black | 15.74:1 | AAA | Lc -87.6 | 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
#E6FAFC
oklch(97.1% 0.021 204)
-
Step 100
100
#C6F4F8
oklch(93.6% 0.047 202.9)
-
Step 200
200 (this color)
#5EF3FF
oklch(89% 0.126 202.7)
-
Step 300
300
#00DAE7
oklch(80.9% 0.138 202.5)
-
Step 400
400
#00B6C1
oklch(70.7% 0.12 202.5)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#5EF3FF 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) | #E1E9FF | 0.126 |
| Deuteranopia (no green cones) | #C9D7FF | 0.117 |
| Tritanopia (no blue cones) | #00FCF6 | 0.039 |
| Achromatopsia (no color) | #DFDFDF | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5EF3FF
#5EF3FF
oklch(89% 0.126 202.7)
- #FFCCC9
#FFCCC9
oklch(88.9% 0.058 22.2)
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 #5EF3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.017
- Bright Light Blue #26F7FD ΔE 0.023
- Bright Cyan #41FDFE ΔE 0.029
- Robin Egg Blue #8AF1FE ΔE 0.031
- Cyan #00FFFF ΔE 0.038
- Bright Turquoise #0FFEF9 ΔE 0.039
- Robin's Egg Blue #98EFF9 ΔE 0.043
- Bright Aqua #0BF9EA ΔE 0.047
Use #5EF3FF 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.