#5AF9FE
Closest named color: Bright Cyan (#41FDFE). oklch(90.2% 0.131 198.1), rgb(90, 249, 254).
Aa
Black text reads best on this color (16.41:1).
About this color
#5AF9FE is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.131 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.014 away. Black text reads best on it, at 16.41:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 16.41:1 |
| White text | 1.27:1 |
Values
| HEX | #5AF9FE |
| RGB | rgb(90, 249, 254) |
| HSL | hsl(182, 99%, 67%) |
| OKLCH | oklch(90.2% 0.131 198.1) |
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 #5AF9FE | 1.27:1 | Fails | Lc -15.6 | Dividers and decoration only |
| Black text on #5AF9FE | 16.41:1 | AAA | Lc 90.1 | Preferred for body text |
| #5AF9FE text on white | 1.27:1 | Fails | Lc 13.5 | Not readable |
| #5AF9FE text on black | 16.41:1 | AAA | Lc -90.4 | 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
#C5F4F6
oklch(93.5% 0.048 199.6)
-
Step 200
200 (this color)
#5AF9FE
oklch(90.2% 0.131 198.1)
-
Step 300
300
#00DBE1
oklch(80.9% 0.138 198.3)
-
Step 400
400
#00B7BC
oklch(70.8% 0.12 198.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#5AF9FE 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 | 0.134 |
| Deuteranopia (no green cones) | #CFDCFF | 0.124 |
| Tritanopia (no blue cones) | #00FFFA | 0.028 |
| Achromatopsia (no color) | #E3E3E3 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AF9FE
#5AF9FE
oklch(90.2% 0.131 198.1)
- #FFD2D2
#FFD2D2
oklch(90.2% 0.051 18.1)
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 #5AF9FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.014
- Bright Light Blue #26F7FD ΔE 0.021
- Cyan #00FFFF ΔE 0.025
- Bright Turquoise #0FFEF9 ΔE 0.027
- Robin's Egg #6DEDFD ΔE 0.033
- Robin Egg Blue #8AF1FE ΔE 0.037
- Bright Aqua #0BF9EA ΔE 0.040
- Robin's Egg Blue #98EFF9 ΔE 0.048
Use #5AF9FE 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.