#42C1C8#42C1C8

#42C1C8 is a light, moderate teal. Relative luminance 0.435; OKLCH L 74.5% C 0.109 H 200.4°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#42C1C8
RGB	rgb(66, 193, 200)
HSL	hsl(183, 55%, 52%)
HSV	hsv(183, 67%, 78%)
CMYK	cmyk(67%, 3.5%, 0%, 21.6%)
CIE-LAB	lab(71.87, -31.86, -13.69)
CIE-LCH	lch(71.87, 34.68, 203.25°)
OKLab	oklab(74.54% -0.1022 -0.038)
OKLCH	oklch(74.54% 0.109 200.4)
XYZ	xyz(31.7375, 43.4647, 61.3493)
Luminance	0.4347 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C1C8 #C84942

analogous

#42C88C #42C1C8 #427EC8

triadic

#42C1C8 #C842C1 #C1C842

tetradic

#42C1C8 #8C42C8 #C84942 #7EC842

square

#42C1C8 #8C42C8 #C84942 #7EC842

split-complementary

#42C1C8 #C8427E #C88C42

monochromatic

#206B6F #2E999F #42C1C8 #71D1D6 #A1E0E4

Accessibility & contrast

On white

2.17

#42C1C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#42C1C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C1C8

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C1C8	#FFFFFF	#000000	##000000
##42C1C8	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B9C9

Deuteranopia (green-blind)

#9FAAC9

Tritanopia (blue-blind)

#00C8C3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c1c8;
/* rgb */ color: rgb(66, 193, 200);
/* oklch */ color: oklch(74.5% 0.109 200.4);

Tailwind

colors: {
  custom: {
    50: '#88d4d8',
    500: '#42c1c8',
    950: '#000000',
  },
}

SCSS

$custom: #42c1c8;
$custom-light: #88d4d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42c1c8",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 200
  },
  "hsl": {
    "h": 183.134,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.7454,
    "c": 0.10901,
    "h": 200.4
  },
  "luminance": 0.43468
}

Semantic roles & 50–950 ramp

primary

#42C1C8

secondary

#D09996

accent

#514ADE

background

#F9FDFD

surface

#F1FAFA

border

#CBD3D3

text

#0D1414

muted

#7E8383

Preview Lab

Preview with #42C1C8

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

Preview Lab → · Contrast checker → · Palette generator →