#42C0CB#42C0CB
#42C0CB is a light, moderate teal. Relative luminance 0.432; OKLCH L 74.4% C 0.109 H 203.5°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).
Color values
| HEX | #42C0CB |
|---|---|
| RGB | rgb(66, 192, 203) |
| HSL | hsl(185, 57%, 53%) |
| HSV | hsv(185, 67%, 80%) |
| CMYK | cmyk(67.5%, 5.4%, 0%, 20.4%) |
| CIE-LAB | lab(71.67, -30.51, -15.63) |
| CIE-LCH | lch(71.67, 34.28, 207.13°) |
| OKLab | oklab(74.41% -0.0999 -0.0434) |
| OKLCH | oklch(74.41% 0.109 203.5) |
| XYZ | xyz(31.8712, 43.1657, 63.1405) |
| Luminance | 0.4317 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.08
Darkturquoise
#00CED1
ΔE00 5.30
Aqua Blue
#02D8E9
ΔE00 6.23
Mediumturquoise
#48D1CC
ΔE00 7.18
Lightseagreen
#20B2AA
ΔE00 8.61
Topaz
#13BBAF
ΔE00 9.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42C0CB #CB4D42
analogous
#42CB92 #42C0CB #427BCB
triadic
#42C0CB #CB42C0 #C0CB42
tetradic
#42C0CB #9242CB #CB4D42 #7BCB42
square
#42C0CB #9242CB #CB4D42 #7BCB42
split-complementary
#42C0CB #CB427B #CB9242
monochromatic
#206C73 #2D99A3 #42C0CB #72D0D8 #A2E0E5
Accessibility & contrast
On white
2.18
#42C0CB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.63
#42C0CB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42C0CB
9.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42C0CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42C0CB | 1.00 | 2.18 | 9.63 | 9.63 |
| #FFFFFF | 2.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B1B8CC
Deuteranopia (green-blind)
#9DA9CC
Tritanopia (blue-blind)
#00C8C3
Achromatopsia (no color)
#B0B0B0
Design tokens & code
CSS
--color: #42c0cb; /* rgb */ color: rgb(66, 192, 203); /* oklch */ color: oklch(74.4% 0.109 203.5);
Tailwind
colors: {
custom: {
50: '#88d3da',
500: '#42c0cb',
950: '#000000',
},
}SCSS
$custom: #42c0cb; $custom-light: #88d3da; $custom-dark: #000000;
JSON
{
"hex": "#42c0cb",
"rgb": {
"r": 66,
"g": 192,
"b": 203
},
"hsl": {
"h": 184.818,
"s": 56.846,
"l": 52.745
},
"oklch": {
"l": 0.74409,
"c": 0.10891,
"h": 203.5
},
"luminance": 0.43169
}Semantic roles & 50–950 ramp
primary
#42C0CB
secondary
#D29B97
accent
#5448E0
background
#F9FDFD
surface
#F1FAFA
border
#CBD3D3
text
#0D1414
muted
#7E8383