#4EC1DF
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.8% 0.111 218.2), rgb(78, 193, 223).
Aa
Black text reads best on this color (10.01:1).
About this color
#4EC1DF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.111 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.029 away. Black text reads best on it, at 10.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.01:1 |
| White text | 2.09:1 |
Values
| HEX | #4EC1DF |
| RGB | rgb(78, 193, 223) |
| HSL | hsl(192, 69%, 59%) |
| OKLCH | oklch(75.8% 0.111 218.2) |
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 #4EC1DF | 2.09:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #4EC1DF | 10.01:1 | AAA | Lc 63.2 | Content text, not long reading |
| #4EC1DF text on white | 2.09:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #4EC1DF text on black | 10.01:1 | AAA | Lc -61.6 | Content text, not long reading |
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 400.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF3
oklch(93.5% 0.02 220.9)
-
Step 200
200
#BEE0EA
oklch(88.5% 0.038 217.4)
-
Step 300
300
#8DCCDF
oklch(80.9% 0.069 218.7)
-
Step 400
400 (this color)
#4EC1DF
oklch(75.8% 0.111 218.2)
-
Step 500
500
#0099B7
oklch(63.1% 0.114 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#4EC1DF 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) | #AEBCE1 | 0.095 |
| Deuteranopia (no green cones) | #99ACDF | 0.086 |
| Tritanopia (no blue cones) | #00CBCA | 0.054 |
| Achromatopsia (no color) | #B3B3B3 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EC1DF
#4EC1DF
oklch(75.8% 0.111 218.2)
- #ED977C
#ED977C
oklch(75.8% 0.111 38.2)
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 #4EC1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.029
- Bright Sky Blue #02CCFE ΔE 0.048
- Dark Turquoise #00CED1 ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.053
- Lightblue #7BC8F6 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.060
- Aqua Blue #02D8E9 ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.065
Use #4EC1DF 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.