#4EC9F4#4EC9F4
#4EC9F4 is a light, vivid cyan. Relative luminance 0.499; OKLCH L 78.5% C 0.123 H 225.0°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4EC9F4 |
|---|---|
| RGB | rgb(78, 201, 244) |
| HSL | hsl(196, 88%, 63%) |
| HSV | hsv(196, 68%, 96%) |
| CMYK | cmyk(68%, 17.6%, 0%, 4.3%) |
| CIE-LAB | lab(76.02, -20.85, -31.16) |
| CIE-LCH | lch(76.02, 37.49, 236.21°) |
| OKLab | oklab(78.47% -0.087 -0.0871) |
| OKLCH | oklch(78.47% 0.123 225) |
| XYZ | xyz(40.3510, 49.9201, 93.0794) |
| Luminance | 0.4993 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bright Sky Blue
#02CCFE
ΔE00 2.26
Sky Blue
#87CEEB
ΔE00 5.27
Lightblue (survey)
#7BC8F6
ΔE00 5.30
Deepskyblue
#00BFFF
ΔE00 5.34
Baby Blue
#89CFF0
ΔE00 5.35
Neon Blue
#04D9FF
ΔE00 5.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4EC9F4 #F4794E
analogous
#4EF4CC #4EC9F4 #4E76F4
triadic
#4EC9F4 #F44EC9 #C9F44E
tetradic
#4EC9F4 #CC4EF4 #F4794E #76F44E
square
#4EC9F4 #CC4EF4 #F4794E #76F44E
split-complementary
#4EC9F4 #F44E76 #F4CC4E
monochromatic
#0C8EBC #14B7F0 #4EC9F4 #88DBF8 #C1ECFB
Accessibility & contrast
On white
1.91
#4EC9F4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.99
#4EC9F4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4EC9F4
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4EC9F4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4EC9F4 | 1.00 | 1.91 | 10.99 | 10.99 |
| #FFFFFF | 1.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B1C5F6
Deuteranopia (green-blind)
#9AB4F4
Tritanopia (blue-blind)
#00D6D7
Achromatopsia (no color)
#BBBBBB
Design tokens & code
CSS
--color: #4ec9f4; /* rgb */ color: rgb(78, 201, 244); /* oklch */ color: oklch(78.5% 0.123 225.0);
Tailwind
colors: {
custom: {
50: '#92d9f8',
500: '#4ec9f4',
950: '#000000',
},
}SCSS
$custom: #4ec9f4; $custom-light: #92d9f8; $custom-dark: #000000;
JSON
{
"hex": "#4ec9f4",
"rgb": {
"r": 78,
"g": 201,
"b": 244
},
"hsl": {
"h": 195.542,
"s": 88.298,
"l": 63.137
},
"oklch": {
"l": 0.78467,
"c": 0.12316,
"h": 225
},
"luminance": 0.49925
}Semantic roles & 50–950 ramp
primary
#4EC9F4
secondary
#EDC1B1
accent
#3C01E5
background
#F9FDFF
surface
#F2FAFE
border
#CCD3D6
text
#0E1417
muted
#7E8385