#4EFCFA
Closest named color: Bright Cyan (#41FDFE). oklch(90.5% 0.138 193.9), rgb(78, 252, 250).
Aa
Black text reads best on this color (16.62:1).
About this color
#4EFCFA is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.138 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.006 away. Black text reads best on it, at 16.62:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 16.62:1 |
| White text | 1.26:1 |
Values
| HEX | #4EFCFA |
| RGB | rgb(78, 252, 250) |
| HSL | hsl(179, 97%, 65%) |
| OKLCH | oklch(90.5% 0.138 193.9) |
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 #4EFCFA | 1.26:1 | Fails | Lc -14.6 | Not readable |
| Black text on #4EFCFA | 16.62:1 | AAA | Lc 91.0 | Preferred for body text |
| #4EFCFA text on white | 1.26:1 | Fails | Lc 12.6 | Not readable |
| #4EFCFA text on black | 16.62:1 | AAA | Lc -91.3 | 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
#E4FBFA
oklch(97.1% 0.024 193.6)
-
Step 100
100
#C3F5F4
oklch(93.5% 0.051 194.8)
-
Step 200
200 (this color)
#4EFCFA
oklch(90.5% 0.138 193.9)
-
Step 300
300
#00DCDA
oklch(80.9% 0.138 193.6)
-
Step 400
400
#00B8B6
oklch(70.8% 0.121 193.4)
-
Step 500
500
#009D9C
oklch(63% 0.108 194)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#4EFCFA 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) | #ECF0FA | 0.144 |
| Deuteranopia (no green cones) | #D2DDFB | 0.134 |
| Tritanopia (no blue cones) | #00FFFB | 0.017 |
| Achromatopsia (no color) | #E5E5E5 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EFCFA
#4EFCFA
oklch(90.5% 0.138 193.9)
- #FFD3D6
#FFD3D6
oklch(90.5% 0.05 13.5)
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 #4EFCFA, closest first.
No curated palette has a color within ΔE 0.04 of #4EFCFA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.006
- Bright Turquoise #0FFEF9 ΔE 0.017
- Cyan #00FFFF ΔE 0.017
- Bright Light Blue #26F7FD ΔE 0.022
- Bright Aqua #0BF9EA ΔE 0.031
- Robin's Egg #6DEDFD ΔE 0.044
- Robin Egg Blue #8AF1FE ΔE 0.047
- Light Aqua #8CFFDB ΔE 0.057
Use #4EFCFA 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.