#42C9D7#42C9D7
#42C9D7 is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.0% C 0.115 H 205.1°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).
Color values
| HEX | #42C9D7 |
|---|---|
| RGB | rgb(66, 201, 215) |
| HSL | hsl(186, 65%, 55%) |
| HSV | hsv(186, 69%, 84%) |
| CMYK | cmyk(69.3%, 6.5%, 0%, 15.7%) |
| CIE-LAB | lab(74.72, -31.31, -17.54) |
| CIE-LCH | lch(74.72, 35.89, 209.26°) |
| OKLab | oklab(77% -0.1039 -0.0487) |
| OKLCH | oklch(77% 0.115 205.1) |
| XYZ | xyz(35.3938, 47.8337, 71.6443) |
| Luminance | 0.4784 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Aqua Blue
#02D8E9
ΔE00 3.94
Darkturquoise
#00CED1
ΔE00 4.99
Turquoise Blue
#06B1C4
ΔE00 6.84
Mediumturquoise
#48D1CC
ΔE00 7.02
Neon Blue
#04D9FF
ΔE00 7.63
Robin'S Egg
#6DEDFD
ΔE00 8.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42C9D7 #D75042
analogous
#42D79B #42C9D7 #427ED7
triadic
#42C9D7 #D742C9 #C9D742
tetradic
#42C9D7 #9B42D7 #D75042 #7ED742
square
#42C9D7 #9B42D7 #D75042 #7ED742
split-complementary
#42C9D7 #D7427E #D79B42
monochromatic
#1C7983 #26A8B5 #42C9D7 #75D7E2 #A7E6EC
Accessibility & contrast
On white
1.99
#42C9D7 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.57
#42C9D7 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42C9D7
10.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42C9D7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42C9D7 | 1.00 | 1.99 | 10.57 | 10.57 |
| #FFFFFF | 1.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.57 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.57 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B9C1D8
Deuteranopia (green-blind)
#A3B1D7
Tritanopia (blue-blind)
#00D1CD
Achromatopsia (no color)
#B8B8B8
Design tokens & code
CSS
--color: #42c9d7; /* rgb */ color: rgb(66, 201, 215); /* oklch */ color: oklch(77.0% 0.115 205.1);
Tailwind
colors: {
custom: {
50: '#8adae3',
500: '#42c9d7',
950: '#000000',
},
}SCSS
$custom: #42c9d7; $custom-light: #8adae3; $custom-dark: #000000;
JSON
{
"hex": "#42c9d7",
"rgb": {
"r": 66,
"g": 201,
"b": 215
},
"hsl": {
"h": 185.638,
"s": 65.066,
"l": 55.098
},
"oklch": {
"l": 0.77004,
"c": 0.11476,
"h": 205.1
},
"luminance": 0.47838
}Semantic roles & 50–950 ramp
primary
#42C9D7
secondary
#DAA19B
accent
#5040E8
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0D1515
muted
#7E8383