#4BF3F5
Closest named color: Bright Light Blue (#26F7FD). oklch(88.2% 0.134 196.2), rgb(75, 243, 245).
Aa
Black text reads best on this color (15.43:1).
About this color
#4BF3F5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.134 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Light Blue (#26F7FD), ΔE 0.015 away. Black text reads best on it, at 15.43:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Bright Light Blue (#26F7FD) |
| Black text | 15.43:1 |
| White text | 1.36:1 |
Values
| HEX | #4BF3F5 |
| RGB | rgb(75, 243, 245) |
| HSL | hsl(181, 89%, 63%) |
| OKLCH | oklch(88.2% 0.134 196.2) |
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 #4BF3F5 | 1.36:1 | Fails | Lc -19.7 | Dividers and decoration only |
| Black text on #4BF3F5 | 15.43:1 | AAA | Lc 86.4 | Fine for body text |
| #4BF3F5 text on white | 1.36:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #4BF3F5 text on black | 15.43:1 | AAA | Lc -86.4 | 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
#E5FBFA
oklch(97.2% 0.023 193.5)
-
Step 100
100
#C4F5F5
oklch(93.6% 0.05 196.3)
-
Step 200
200 (this color)
#4BF3F5
oklch(88.2% 0.134 196.2)
-
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)
#4BF3F5 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) | #E3E8F5 | 0.139 |
| Deuteranopia (no green cones) | #CAD5F6 | 0.130 |
| Tritanopia (no blue cones) | #00FBF3 | 0.026 |
| Achromatopsia (no color) | #DDDDDD | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BF3F5
#4BF3F5
oklch(88.2% 0.134 196.2)
- #FFC8CA
#FFC8CA
oklch(88.2% 0.063 16)
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 #4BF3F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Light Blue #26F7FD ΔE 0.015
- Bright Cyan #41FDFE ΔE 0.026
- Robin's Egg #6DEDFD ΔE 0.029
- Bright Turquoise #0FFEF9 ΔE 0.030
- Bright Aqua #0BF9EA ΔE 0.030
- Cyan #00FFFF ΔE 0.032
- Robin Egg Blue #8AF1FE ΔE 0.045
- Robin's Egg Blue #98EFF9 ΔE 0.055
Use #4BF3F5 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.