#42C0BF#42C0BF
#42C0BF is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.0% C 0.108 H 194.3°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).
Color values
| HEX | #42C0BF |
|---|---|
| RGB | rgb(66, 192, 191) |
| HSL | hsl(180, 50%, 51%) |
| HSV | hsv(180, 66%, 75%) |
| CMYK | cmyk(65.6%, 0%, 0.5%, 24.7%) |
| CIE-LAB | lab(71.29, -33.97, -9.64) |
| CIE-LCH | lch(71.29, 35.31, 195.84°) |
| OKLab | oklab(73.98% -0.105 -0.0268) |
| OKLCH | oklch(73.98% 0.108 194.3) |
| XYZ | xyz(30.4962, 42.6157, 55.8985) |
| Luminance | 0.4262 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Darkturquoise
#00CED1
ΔE00 4.09
Mediumturquoise
#48D1CC
ΔE00 4.48
Topaz
#13BBAF
ΔE00 4.90
Lightseagreen
#20B2AA
ΔE00 5.17
Tealish
#24BCA8
ΔE00 7.19
Turquoise (survey)
#06C2AC
ΔE00 7.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42C0BF #C04243
analogous
#42C080 #42C0BF #4282C0
triadic
#42C0BF #BF42C0 #C0BF42
tetradic
#42C0BF #8042C0 #C04243 #82C042
square
#42C0BF #8042C0 #C04243 #82C042
split-complementary
#42C0BF #C04282 #C08042
monochromatic
#226665 #319493 #42C0BF #70CFCF #9EDFDE
Accessibility & contrast
On white
2.21
#42C0BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.52
#42C0BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42C0BF
9.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42C0BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42C0BF | 1.00 | 2.21 | 9.52 | 9.52 |
| #FFFFFF | 2.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.52 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.52 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B4B7BF
Deuteranopia (green-blind)
#A1A9C0
Tritanopia (blue-blind)
#00C6BF
Achromatopsia (no color)
#AFAFAF
Design tokens & code
CSS
--color: #42c0bf; /* rgb */ color: rgb(66, 192, 191); /* oklch */ color: oklch(74.0% 0.108 194.3);
Tailwind
colors: {
custom: {
50: '#87d3d2',
500: '#42c0bf',
950: '#000000',
},
}SCSS
$custom: #42c0bf; $custom-light: #87d3d2; $custom-dark: #000000;
JSON
{
"hex": "#42c0bf",
"rgb": {
"r": 66,
"g": 192,
"b": 191
},
"hsl": {
"h": 179.524,
"s": 50,
"l": 50.588
},
"oklch": {
"l": 0.73982,
"c": 0.10839,
"h": 194.3
},
"luminance": 0.42619
}Semantic roles & 50–950 ramp
primary
#42C0BF
secondary
#CB9393
accent
#4E4FDA
background
#F8FDFC
surface
#F0FAF9
border
#CBD3D2
text
#0D1414
muted
#7D8382