#42ADB3#42ADB3
#42ADB3 is a light, moderate teal. Relative luminance 0.343; OKLCH L 68.9% C 0.097 H 200.4°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).
Color values
| HEX | #42ADB3 |
|---|---|
| RGB | rgb(66, 173, 179) |
| HSL | hsl(183, 46%, 48%) |
| HSV | hsv(183, 63%, 70%) |
| CMYK | cmyk(63.1%, 3.4%, 0%, 29.8%) |
| CIE-LAB | lab(65.20, -28.26, -12.14) |
| CIE-LCH | lch(65.20, 30.75, 203.25°) |
| OKLab | oklab(68.93% -0.0905 -0.0336) |
| OKLCH | oklch(68.93% 0.097 200.4) |
| XYZ | xyz(25.3235, 34.2973, 47.9245) |
| Luminance | 0.3430 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.52
Cadetblue
#5F9EA0
ΔE00 5.83
Lightseagreen
#20B2AA
ΔE00 6.14
Sea
#3C9992
ΔE00 8.18
Topaz
#13BBAF
ΔE00 8.23
Darkturquoise
#00CED1
ΔE00 9.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42ADB3 #B34842
analogous
#42B380 #42ADB3 #4274B3
triadic
#42ADB3 #B342AD #ADB342
tetradic
#42ADB3 #8042B3 #B34842 #74B342
square
#42ADB3 #8042B3 #B34842 #74B342
split-complementary
#42ADB3 #B34274 #B38042
monochromatic
#21575A #328286 #42ADB3 #6AC3C8 #97D5D9
Accessibility & contrast
On white
2.67
#42ADB3 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.86
#42ADB3 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42ADB3
7.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42ADB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42ADB3 | 1.00 | 2.67 | 7.86 | 7.86 |
| #FFFFFF | 2.67 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A1A6B4
Deuteranopia (green-blind)
#9099B4
Tritanopia (blue-blind)
#00B3AF
Achromatopsia (no color)
#9E9E9E
Design tokens & code
CSS
--color: #42adb3; /* rgb */ color: rgb(66, 173, 179); /* oklch */ color: oklch(68.9% 0.097 200.4);
Tailwind
colors: {
custom: {
50: '#84c6c9',
500: '#42adb3',
950: '#000000',
},
}SCSS
$custom: #42adb3; $custom-light: #84c6c9; $custom-dark: #000000;
JSON
{
"hex": "#42adb3",
"rgb": {
"r": 66,
"g": 173,
"b": 179
},
"hsl": {
"h": 183.186,
"s": 46.122,
"l": 48.039
},
"oklch": {
"l": 0.68926,
"c": 0.09651,
"h": 200.4
},
"luminance": 0.343
}Semantic roles & 50–950 ramp
primary
#42ADB3
secondary
#C48F8C
accent
#5952D6
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1313
muted
#7D8282