#42C9DA#42C9DA

#42C9DA is a light, moderate teal. Relative luminance 0.480; OKLCH L 77.1% C 0.115 H 207.2°. Best body text is #000000 at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#42C9DA
RGB	rgb(66, 201, 218)
HSL	hsl(187, 67%, 56%)
HSV	hsv(187, 70%, 85%)
CMYK	cmyk(69.7%, 7.8%, 0%, 14.5%)
CIE-LAB	lab(74.82, -30.42, -19.01)
CIE-LCH	lch(74.82, 35.88, 212.01°)
OKLab	oklab(77.12% -0.1027 -0.0528)
OKLCH	oklch(77.12% 0.115 207.2)
XYZ	xyz(35.7828, 47.9893, 73.6931)
Luminance	0.4799 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C9DA #DA5342

analogous

#42DA9F #42C9DA #427DDA

triadic

#42C9DA #DA42C9 #C9DA42

tetradic

#42C9DA #9F42DA #DA5342 #7DDA42

square

#42C9DA #9F42DA #DA5342 #7DDA42

split-complementary

#42C9DA #DA427D #DA9F42

monochromatic

#1A7B87 #24AABA #42C9DA #75D8E4 #A8E6EE

Accessibility & contrast

On white

1.98

#42C9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.60

#42C9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9DA

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C9DA	#FFFFFF	#000000	##000000
##42C9DA	1.00	1.98	10.60	10.60
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.60	21.00	1.00	1.00
##000000	10.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C1DB

Deuteranopia (green-blind)

#A2B1DA

Tritanopia (blue-blind)

#00D2CE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42c9da;
/* rgb */ color: rgb(66, 201, 218);
/* oklch */ color: oklch(77.1% 0.115 207.2);

Tailwind

colors: {
  custom: {
    50: '#8bd9e5',
    500: '#42c9da',
    950: '#000000',
  },
}

SCSS

$custom: #42c9da;
$custom-light: #8bd9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#42c9da",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 218
  },
  "hsl": {
    "h": 186.711,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.77116,
    "c": 0.11548,
    "h": 207.2
  },
  "luminance": 0.47993
}

Semantic roles & 50–950 ramp

primary

#42C9DA

secondary

#DBA39C

accent

#513EEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1515

muted

#7E8384

Preview Lab

Preview with #42C9DA

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

Preview Lab → · Contrast checker → · Palette generator →