#42CDB5#42CDB5

#42CDB5 is a light, vivid teal. Relative luminance 0.482; OKLCH L 76.8% C 0.123 H 178.9°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#42CDB5
RGB	rgb(66, 205, 181)
HSL	hsl(170, 58%, 53%)
HSV	hsv(170, 68%, 80%)
CMYK	cmyk(67.8%, 0%, 11.7%, 19.6%)
CIE-LAB	lab(74.92, -42.57, 1.14)
CIE-LCH	lch(74.92, 42.59, 178.46°)
OKLab	oklab(76.84% -0.1227 0.0024)
OKLCH	oklch(76.84% 0.123 178.9)
XYZ	xyz(32.4145, 48.1534, 51.2933)
Luminance	0.4816 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CDB5 #CD425A

analogous

#42CD6F #42CDB5 #42A0CD

triadic

#42CDB5 #B542CD #CDB542

tetradic

#42CDB5 #6F42CD #CD425A #A0CD42

square

#42CDB5 #6F42CD #CD425A #A0CD42

split-complementary

#42CDB5 #CD42A0 #CD6F42

monochromatic

#1F7667 #2CA691 #42CDB5 #72DAC8 #A3E7DB

Accessibility & contrast

On white

1.98

#42CDB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#42CDB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CDB5

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CDB5	#FFFFFF	#000000	##000000
##42CDB5	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C1B4

Deuteranopia (green-blind)

#B1B2B7

Tritanopia (blue-blind)

#00D0C6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42cdb5;
/* rgb */ color: rgb(66, 205, 181);
/* oklch */ color: oklch(76.8% 0.123 178.9);

Tailwind

colors: {
  custom: {
    50: '#88ddcb',
    500: '#42cdb5',
    950: '#000000',
  },
}

SCSS

$custom: #42cdb5;
$custom-light: #88ddcb;
$custom-dark: #000000;

JSON

{
  "hex": "#42cdb5",
  "rgb": {
    "r": 66,
    "g": 205,
    "b": 181
  },
  "hsl": {
    "h": 169.64,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.76839,
    "c": 0.12273,
    "h": 178.9
  },
  "luminance": 0.48157
}

Semantic roles & 50–950 ramp

primary

#42CDB5

secondary

#D397A2

accent

#4661E1

background

#F9FDFC

surface

#F1FBF8

border

#CBD4D1

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42CDB5

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

Preview Lab → · Contrast checker → · Palette generator →