#42C1CE#42C1CE
#42C1CE is a light, moderate teal. Relative luminance 0.438; OKLCH L 74.8% C 0.110 H 204.9°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).
Color values
| HEX | #42C1CE |
|---|---|
| RGB | rgb(66, 193, 206) |
| HSL | hsl(186, 59%, 53%) |
| HSV | hsv(186, 68%, 81%) |
| CMYK | cmyk(68%, 6.3%, 0%, 19.2%) |
| CIE-LAB | lab(72.06, -30.11, -16.67) |
| CIE-LCH | lch(72.06, 34.42, 208.97°) |
| OKLab | oklab(74.76% -0.0997 -0.0463) |
| OKLCH | oklch(74.76% 0.11 204.9) |
| XYZ | xyz(32.4525, 43.7507, 65.1150) |
| Luminance | 0.4375 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.05
Darkturquoise
#00CED1
ΔE00 5.65
Aqua Blue
#02D8E9
ΔE00 5.89
Mediumturquoise
#48D1CC
ΔE00 7.63
Neon Blue
#04D9FF
ΔE00 9.00
Lightseagreen
#20B2AA
ΔE00 9.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42C1CE #CE4F42
analogous
#42CE95 #42C1CE #427BCE
triadic
#42C1CE #CE42C1 #C1CE42
tetradic
#42C1CE #9542CE #CE4F42 #7BCE42
square
#42C1CE #9542CE #CE4F42 #7BCE42
split-complementary
#42C1CE #CE427B #CE9542
monochromatic
#1F6F77 #2B9CA7 #42C1CE #73D1DB #A3E1E7
Accessibility & contrast
On white
2.15
#42C1CE on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.75
#42C1CE on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42C1CE
9.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42C1CE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42C1CE | 1.00 | 2.15 | 9.75 | 9.75 |
| #FFFFFF | 2.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B2B9CF
Deuteranopia (green-blind)
#9DAACE
Tritanopia (blue-blind)
#00C9C5
Achromatopsia (no color)
#B1B1B1
Design tokens & code
CSS
--color: #42c1ce; /* rgb */ color: rgb(66, 193, 206); /* oklch */ color: oklch(74.8% 0.110 204.9);
Tailwind
colors: {
custom: {
50: '#89d4dd',
500: '#42c1ce',
950: '#000000',
},
}SCSS
$custom: #42c1ce; $custom-light: #89d4dd; $custom-dark: #000000;
JSON
{
"hex": "#42c1ce",
"rgb": {
"r": 66,
"g": 193,
"b": 206
},
"hsl": {
"h": 185.571,
"s": 58.824,
"l": 53.333
},
"oklch": {
"l": 0.74759,
"c": 0.10989,
"h": 204.9
},
"luminance": 0.43754
}Semantic roles & 50–950 ramp
primary
#42C1CE
secondary
#D49D98
accent
#5446E2
background
#F9FDFD
surface
#F1FAFB
border
#CBD3D4
text
#0D1415
muted
#7E8383