#42B9AA#42B9AA

#42B9AA is a light, moderate teal. Relative luminance 0.388; OKLCH L 71.6% C 0.107 H 183.4°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#42B9AA
RGB	rgb(66, 185, 170)
HSL	hsl(172, 47%, 49%)
HSV	hsv(172, 64%, 73%)
CMYK	cmyk(64.3%, 0%, 8.1%, 27.5%)
CIE-LAB	lab(68.57, -36.48, -2.15)
CIE-LCH	lch(68.57, 36.54, 183.37°)
OKLab	oklab(71.57% -0.1071 -0.0064)
OKLCH	oklch(71.57% 0.107 183.4)
XYZ	xyz(26.8481, 38.7555, 44.0880)
Luminance	0.3876 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B9AA #B94251

analogous

#42B96F #42B9AA #428DB9

triadic

#42B9AA #AA42B9 #B9AA42

tetradic

#42B9AA #6F42B9 #B94251 #8DB942

square

#42B9AA #6F42B9 #B94251 #8DB942

split-complementary

#42B9AA #B9428D #B96F42

monochromatic

#225F57 #328C81 #42B9AA #6DCBBF #9ADBD3

Accessibility & contrast

On white

2.40

#42B9AA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#42B9AA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B9AA

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B9AA	#FFFFFF	#000000	##000000
##42B9AA	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0AFA9

Deuteranopia (green-blind)

#9FA2AB

Tritanopia (blue-blind)

#00BDB4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42b9aa;
/* rgb */ color: rgb(66, 185, 170);
/* oklch */ color: oklch(71.6% 0.107 183.4);

Tailwind

colors: {
  custom: {
    50: '#85cec3',
    500: '#42b9aa',
    950: '#000000',
  },
}

SCSS

$custom: #42b9aa;
$custom-light: #85cec3;
$custom-dark: #000000;

JSON

{
  "hex": "#42b9aa",
  "rgb": {
    "r": 66,
    "g": 185,
    "b": 170
  },
  "hsl": {
    "h": 172.437,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71574,
    "c": 0.10731,
    "h": 183.4
  },
  "luminance": 0.38758
}

Semantic roles & 50–950 ramp

primary

#42B9AA

secondary

#C79097

accent

#5162D7

background

#F8FCFB

surface

#F0F9F7

border

#CBD2D0

text

#0C1412

muted

#7D8281

Preview Lab

Preview with #42B9AA

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

Preview Lab → · Contrast checker → · Palette generator →