#42B3AA#42B3AA

#42B3AA is a light, moderate teal. Relative luminance 0.363; OKLCH L 70.1% C 0.102 H 187.7°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#42B3AA
RGB	rgb(66, 179, 170)
HSL	hsl(175, 46%, 48%)
HSV	hsv(175, 63%, 70%)
CMYK	cmyk(63.1%, 0%, 5%, 29.8%)
CIE-LAB	lab(66.75, -33.69, -4.84)
CIE-LCH	lch(66.75, 34.03, 188.17°)
OKLab	oklab(70.09% -0.1008 -0.0136)
OKLCH	oklch(70.09% 0.102 187.7)
XYZ	xyz(25.6193, 36.2980, 43.6785)
Luminance	0.3630 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B3AA #B3424B

analogous

#42B371 #42B3AA #4283B3

triadic

#42B3AA #AA42B3 #B3AA42

tetradic

#42B3AA #7142B3 #B3424B #83B342

square

#42B3AA #7142B3 #B3424B #83B342

split-complementary

#42B3AA #B34283 #B37142

monochromatic

#215A55 #328680 #42B3AA #6AC8C1 #97D9D3

Accessibility & contrast

On white

2.54

#42B3AA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#42B3AA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B3AA

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B3AA	#FFFFFF	#000000	##000000
##42B3AA	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAAAAA

Deuteranopia (green-blind)

#999DAB

Tritanopia (blue-blind)

#00B7B0

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42b3aa;
/* rgb */ color: rgb(66, 179, 170);
/* oklch */ color: oklch(70.1% 0.102 187.7);

Tailwind

colors: {
  custom: {
    50: '#84cac3',
    500: '#42b3aa',
    950: '#000000',
  },
}

SCSS

$custom: #42b3aa;
$custom-light: #84cac3;
$custom-dark: #000000;

JSON

{
  "hex": "#42b3aa",
  "rgb": {
    "r": 66,
    "g": 179,
    "b": 170
  },
  "hsl": {
    "h": 175.221,
    "s": 46.122,
    "l": 48.039
  },
  "oklch": {
    "l": 0.7009,
    "c": 0.10171,
    "h": 187.7
  },
  "luminance": 0.36301
}

Semantic roles & 50–950 ramp

primary

#42B3AA

secondary

#C48C91

accent

#525DD6

background

#F8FCFB

surface

#F0F8F7

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42B3AA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →