#42B989#42B989

#42B989 is a light, vivid teal. Relative luminance 0.377; OKLCH L 70.7% C 0.128 H 162.9°. Best body text is #000000 at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#42B989
RGB	rgb(66, 185, 137)
HSL	hsl(156, 47%, 49%)
HSV	hsv(156, 64%, 73%)
CMYK	cmyk(64.3%, 0%, 25.9%, 27.5%)
CIE-LAB	lab(67.77, -44.57, 14.78)
CIE-LCH	lch(67.77, 46.95, 161.65°)
OKLab	oklab(70.65% -0.1225 0.0377)
OKLCH	oklch(70.65% 0.128 162.9)
XYZ	xyz(24.1087, 37.6598, 29.6606)
Luminance	0.3766 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B989 #B94272

analogous

#42B94E #42B989 #42AEB9

triadic

#42B989 #8942B9 #B98942

tetradic

#42B989 #4E42B9 #B94272 #AEB942

square

#42B989 #4E42B9 #B94272 #AEB942

split-complementary

#42B989 #B942AE #B94E42

monochromatic

#225F46 #328C68 #42B989 #6DCBA5 #9ADBC1

Accessibility & contrast

On white

2.46

#42B989 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.53

#42B989 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B989

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B989	#FFFFFF	#000000	##000000
##42B989	1.00	2.46	8.53	8.53
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.53	21.00	1.00	1.00
##000000	8.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6AC86

Deuteranopia (green-blind)

#A6A08C

Tritanopia (blue-blind)

#00B9AC

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #42b989;
/* rgb */ color: rgb(66, 185, 137);
/* oklch */ color: oklch(70.7% 0.128 162.9);

Tailwind

colors: {
  custom: {
    50: '#83cfab',
    500: '#42b989',
    950: '#000000',
  },
}

SCSS

$custom: #42b989;
$custom-light: #83cfab;
$custom-dark: #000000;

JSON

{
  "hex": "#42b989",
  "rgb": {
    "r": 66,
    "g": 185,
    "b": 137
  },
  "hsl": {
    "h": 155.798,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70651,
    "c": 0.1282,
    "h": 162.9
  },
  "luminance": 0.37662
}

Semantic roles & 50–950 ramp

primary

#42B989

secondary

#C790A6

accent

#5187D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1410

muted

#7D827F

Preview Lab

Preview with #42B989

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

Preview Lab → · Contrast checker → · Palette generator →