#42C4BF#42C4BF
#42C4BF is a light, moderate teal. Relative luminance 0.444; OKLCH L 75.0% C 0.111 H 191.4°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).
Color values
| HEX | #42C4BF |
|---|---|
| RGB | rgb(66, 196, 191) |
| HSL | hsl(178, 52%, 51%) |
| HSV | hsv(178, 66%, 77%) |
| CMYK | cmyk(66.3%, 0%, 2.6%, 23.1%) |
| CIE-LAB | lab(72.49, -35.84, -7.85) |
| CIE-LCH | lch(72.49, 36.69, 192.36°) |
| OKLab | oklab(74.95% -0.1091 -0.0219) |
| OKLCH | oklch(74.95% 0.111 191.4) |
| XYZ | xyz(31.3864, 44.3962, 56.1953) |
| Luminance | 0.4440 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Mediumturquoise
#48D1CC
ΔE00 3.27
Darkturquoise
#00CED1
ΔE00 3.97
Topaz
#13BBAF
ΔE00 4.18
Lightseagreen
#20B2AA
ΔE00 5.40
Tealish
#24BCA8
ΔE00 6.08
Turquoise (survey)
#06C2AC
ΔE00 6.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42C4BF #C44247
analogous
#42C47E #42C4BF #4288C4
triadic
#42C4BF #BF42C4 #C4BF42
tetradic
#42C4BF #7E42C4 #C44247 #88C442
square
#42C4BF #7E42C4 #C44247 #88C442
split-complementary
#42C4BF #C44288 #C47E42
monochromatic
#216A68 #309995 #42C4BF #71D3CF #9FE1DF
Accessibility & contrast
On white
2.13
#42C4BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.88
#42C4BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42C4BF
9.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42C4BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42C4BF | 1.00 | 2.13 | 9.88 | 9.88 |
| #FFFFFF | 2.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B9BABF
Deuteranopia (green-blind)
#A5ACC0
Tritanopia (blue-blind)
#00C9C2
Achromatopsia (no color)
#B2B2B2
Design tokens & code
CSS
--color: #42c4bf; /* rgb */ color: rgb(66, 196, 191); /* oklch */ color: oklch(75.0% 0.111 191.4);
Tailwind
colors: {
custom: {
50: '#88d6d2',
500: '#42c4bf',
950: '#000000',
},
}SCSS
$custom: #42c4bf; $custom-light: #88d6d2; $custom-dark: #000000;
JSON
{
"hex": "#42c4bf",
"rgb": {
"r": 66,
"g": 196,
"b": 191
},
"hsl": {
"h": 177.692,
"s": 52.419,
"l": 51.373
},
"oklch": {
"l": 0.74954,
"c": 0.11128,
"h": 191.4
},
"luminance": 0.444
}Semantic roles & 50–950 ramp
primary
#42C4BF
secondary
#CE9496
accent
#4C51DC
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1414
muted
#7E8382