#42BCB1#42BCB1

#42BCB1 is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.5% C 0.108 H 186.6°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#42BCB1
RGB	rgb(66, 188, 177)
HSL	hsl(175, 48%, 50%)
HSV	hsv(175, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 5.9%, 26.3%)
CIE-LAB	lab(69.68, -35.98, -4.36)
CIE-LCH	lch(69.68, 36.24, 186.92°)
OKLab	oklab(72.54% -0.1071 -0.0124)
OKLCH	oklch(72.54% 0.108 186.6)
XYZ	xyz(28.1622, 40.2959, 47.8801)
Luminance	0.4030 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCB1 #BC424D

analogous

#42BC74 #42BCB1 #428ABC

triadic

#42BCB1 #B142BC #BCB142

tetradic

#42BCB1 #7442BC #BC424D #8ABC42

square

#42BCB1 #7442BC #BC424D #8ABC42

split-complementary

#42BCB1 #BC428A #BC7442

monochromatic

#22615C #328F86 #42BCB1 #6FCCC4 #9CDCD6

Accessibility & contrast

On white

2.32

#42BCB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#42BCB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCB1

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCB1	#FFFFFF	#000000	##000000
##42BCB1	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B2B1

Deuteranopia (green-blind)

#A0A5B2

Tritanopia (blue-blind)

#00C0B8

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bcb1;
/* rgb */ color: rgb(66, 188, 177);
/* oklch */ color: oklch(72.5% 0.108 186.6);

Tailwind

colors: {
  custom: {
    50: '#86d0c8',
    500: '#42bcb1',
    950: '#000000',
  },
}

SCSS

$custom: #42bcb1;
$custom-light: #86d0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcb1",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 177
  },
  "hsl": {
    "h": 174.59,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72537,
    "c": 0.1078,
    "h": 186.6
  },
  "luminance": 0.40299
}

Semantic roles & 50–950 ramp

primary

#42BCB1

secondary

#C99196

accent

#505CD8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCB1

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

Preview Lab → · Contrast checker → · Palette generator →