#42C0CA#42C0CA
#42C0CA is a light, moderate teal. Relative luminance 0.431; OKLCH L 74.4% C 0.109 H 202.7°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #42C0CA |
|---|---|
| RGB | rgb(66, 192, 202) |
| HSL | hsl(184, 56%, 53%) |
| HSV | hsv(184, 67%, 79%) |
| CMYK | cmyk(67.3%, 5%, 0%, 20.8%) |
| CIE-LAB | lab(71.64, -30.80, -15.13) |
| CIE-LCH | lch(71.64, 34.32, 206.17°) |
| OKLab | oklab(74.37% -0.1003 -0.042) |
| OKLCH | oklch(74.37% 0.109 202.7) |
| XYZ | xyz(31.7524, 43.1182, 62.5149) |
| Luminance | 0.4312 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Darkturquoise
#00CED1
ΔE00 5.06
Turquoise Blue
#06B1C4
ΔE00 5.25
Aqua Blue
#02D8E9
ΔE00 6.30
Mediumturquoise
#48D1CC
ΔE00 6.89
Lightseagreen
#20B2AA
ΔE00 8.28
Topaz
#13BBAF
ΔE00 8.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42C0CA #CA4C42
analogous
#42CA90 #42C0CA #427CCA
triadic
#42C0CA #CA42C0 #C0CA42
tetradic
#42C0CA #9042CA #CA4C42 #7CCA42
square
#42C0CA #9042CA #CA4C42 #7CCA42
split-complementary
#42C0CA #CA427C #CA9042
monochromatic
#206C72 #2D99A2 #42C0CA #72D0D7 #A2E0E5
Accessibility & contrast
On white
2.18
#42C0CA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.62
#42C0CA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42C0CA
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42C0CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42C0CA | 1.00 | 2.18 | 9.62 | 9.62 |
| #FFFFFF | 2.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B1B8CB
Deuteranopia (green-blind)
#9DA9CB
Tritanopia (blue-blind)
#00C7C3
Achromatopsia (no color)
#AFAFAF
Design tokens & code
CSS
--color: #42c0ca; /* rgb */ color: rgb(66, 192, 202); /* oklch */ color: oklch(74.4% 0.109 202.7);
Tailwind
colors: {
custom: {
50: '#88d3da',
500: '#42c0ca',
950: '#000000',
},
}SCSS
$custom: #42c0ca; $custom-light: #88d3da; $custom-dark: #000000;
JSON
{
"hex": "#42c0ca",
"rgb": {
"r": 66,
"g": 192,
"b": 202
},
"hsl": {
"h": 184.412,
"s": 56.198,
"l": 52.549
},
"oklch": {
"l": 0.74372,
"c": 0.10876,
"h": 202.7
},
"luminance": 0.43122
}Semantic roles & 50–950 ramp
primary
#42C0CA
secondary
#D19B96
accent
#5348DF
background
#F9FDFD
surface
#F1FAFA
border
#CBD3D3
text
#0D1414
muted
#7E8383