#42BCB3#42BCB3

#42BCB3 is a light, moderate teal. Relative luminance 0.404; OKLCH L 72.6% C 0.107 H 188.1°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#42BCB3
RGB	rgb(66, 188, 179)
HSL	hsl(176, 48%, 50%)
HSV	hsv(176, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 4.8%, 26.3%)
CIE-LAB	lab(69.74, -35.43, -5.38)
CIE-LCH	lch(69.74, 35.84, 188.63°)
OKLab	oklab(72.6% -0.1062 -0.0151)
OKLCH	oklch(72.6% 0.107 188.1)
XYZ	xyz(28.3630, 40.3762, 48.9377)
Luminance	0.4038 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCB3 #BC424B

analogous

#42BC76 #42BCB3 #4288BC

triadic

#42BCB3 #B342BC #BCB342

tetradic

#42BCB3 #7642BC #BC424B #88BC42

square

#42BCB3 #7642BC #BC424B #88BC42

split-complementary

#42BCB3 #BC4288 #BC7642

monochromatic

#22615D #328F88 #42BCB3 #6FCCC5 #9CDCD8

Accessibility & contrast

On white

2.31

#42BCB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#42BCB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCB3

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCB3	#FFFFFF	#000000	##000000
##42BCB3	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B2B3

Deuteranopia (green-blind)

#A0A5B4

Tritanopia (blue-blind)

#00C1B9

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bcb3;
/* rgb */ color: rgb(66, 188, 179);
/* oklch */ color: oklch(72.6% 0.107 188.1);

Tailwind

colors: {
  custom: {
    50: '#86d0c9',
    500: '#42bcb3',
    950: '#000000',
  },
}

SCSS

$custom: #42bcb3;
$custom-light: #86d0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcb3",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 179
  },
  "hsl": {
    "h": 175.574,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72602,
    "c": 0.10726,
    "h": 188.1
  },
  "luminance": 0.40379
}

Semantic roles & 50–950 ramp

primary

#42BCB3

secondary

#C99195

accent

#505AD8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCB3

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

Preview Lab → · Contrast checker → · Palette generator →