#5EF9FF
Closest named color: Bright Cyan (#41FDFE). oklch(90.3% 0.129 198.8), rgb(94, 249, 255).
Aa
Black text reads best on this color (16.47:1).
About this color
#5EF9FF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.129 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.016 away. Black text reads best on it, at 16.47:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 16.47:1 |
| White text | 1.27:1 |
Values
| HEX | #5EF9FF |
| RGB | rgb(94, 249, 255) |
| HSL | hsl(182, 100%, 68%) |
| OKLCH | oklch(90.3% 0.129 198.8) |
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 #5EF9FF | 1.27:1 | Fails | Lc -15.4 | Dividers and decoration only |
| Black text on #5EF9FF | 16.47:1 | AAA | Lc 90.3 | Preferred for body text |
| #5EF9FF text on white | 1.27:1 | Fails | Lc 13.3 | Not readable |
| #5EF9FF text on black | 16.47:1 | AAA | Lc -90.6 | 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 200.
-
Step 50
50
#E5FAFB
oklch(97% 0.022 200.3)
-
Step 100
100
#C6F4F6
oklch(93.6% 0.047 199.7)
-
Step 200
200 (this color)
#5EF9FF
oklch(90.3% 0.129 198.8)
-
Step 300
300
#00DBE2
oklch(81% 0.138 198.9)
-
Step 400
400
#00B7BC
oklch(70.8% 0.12 198.3)
-
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)
#5EF9FF 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) | #E8EEFF | 0.132 |
| Deuteranopia (no green cones) | #D0DCFF | 0.123 |
| Tritanopia (no blue cones) | #00FFFA | 0.031 |
| Achromatopsia (no color) | #E4E4E4 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5EF9FF
#5EF9FF
oklch(90.3% 0.129 198.8)
- #FFD3D2
#FFD3D2
oklch(90.4% 0.05 19.6)
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 #5EF9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.016
- Bright Light Blue #26F7FD ΔE 0.024
- Cyan #00FFFF ΔE 0.028
- Bright Turquoise #0FFEF9 ΔE 0.030
- Robin's Egg #6DEDFD ΔE 0.032
- Robin Egg Blue #8AF1FE ΔE 0.034
- Bright Aqua #0BF9EA ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.046
Use #5EF9FF 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.