#42C3BC#42C3BC

#42C3BC is a light, moderate teal. Relative luminance 0.438; OKLCH L 74.6% C 0.111 H 189.9°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#42C3BC
RGB	rgb(66, 195, 188)
HSL	hsl(177, 52%, 51%)
HSV	hsv(177, 66%, 76%)
CMYK	cmyk(66.2%, 0%, 3.6%, 23.5%)
CIE-LAB	lab(72.11, -36.20, -6.79)
CIE-LCH	lch(72.11, 36.83, 190.63°)
OKLab	oklab(74.61% -0.1094 -0.019)
OKLCH	oklch(74.61% 0.111 189.9)
XYZ	xyz(30.8348, 43.8158, 54.3994)
Luminance	0.4382 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3BC #C34249

analogous

#42C37B #42C3BC #4289C3

triadic

#42C3BC #BC42C3 #C3BC42

tetradic

#42C3BC #7B42C3 #C34249 #89C342

square

#42C3BC #7B42C3 #C34249 #89C342

split-complementary

#42C3BC #C34289 #C37B42

monochromatic

#216965 #309892 #42C3BC #70D2CC #9FE0DD

Accessibility & contrast

On white

2.15

#42C3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#42C3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3BC

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3BC	#FFFFFF	#000000	##000000
##42C3BC	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8B9BC

Deuteranopia (green-blind)

#A5ABBD

Tritanopia (blue-blind)

#00C8C1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42c3bc;
/* rgb */ color: rgb(66, 195, 188);
/* oklch */ color: oklch(74.6% 0.111 189.9);

Tailwind

colors: {
  custom: {
    50: '#87d5d0',
    500: '#42c3bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c3bc;
$custom-light: #87d5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3bc",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 188
  },
  "hsl": {
    "h": 176.744,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74611,
    "c": 0.11104,
    "h": 189.9
  },
  "luminance": 0.43819
}

Semantic roles & 50–950 ramp

primary

#42C3BC

secondary

#CD9497

accent

#4D54DB

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #42C3BC

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

Preview Lab → · Contrast checker → · Palette generator →