#42B58B#42B58B

#42B58B is a light, vivid teal. Relative luminance 0.361; OKLCH L 69.7% C 0.121 H 165.3°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#42B58B
RGB	rgb(66, 181, 139)
HSL	hsl(158, 47%, 48%)
HSV	hsv(158, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 23.2%, 29%)
CIE-LAB	lab(66.57, -42.41, 12.01)
CIE-LCH	lch(66.57, 44.08, 164.19°)
OKLab	oklab(69.69% -0.1173 0.0307)
OKLCH	oklch(69.69% 0.121 165.3)
XYZ	xyz(23.4284, 36.0676, 30.1481)
Luminance	0.3607 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B58B #B5426C

analogous

#42B551 #42B58B #42A5B5

triadic

#42B58B #8B42B5 #B58B42

tetradic

#42B58B #5142B5 #B5426C #A5B542

square

#42B58B #5142B5 #B5426C #A5B542

split-complementary

#42B58B #B542A5 #B55142

monochromatic

#215B46 #328869 #42B58B #6BC9A7 #98D9C2

Accessibility & contrast

On white

2.56

#42B58B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#42B58B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B58B

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B58B	#FFFFFF	#000000	##000000
##42B58B	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A989

Deuteranopia (green-blind)

#A19D8E

Tritanopia (blue-blind)

#00B5A9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42b58b;
/* rgb */ color: rgb(66, 181, 139);
/* oklch */ color: oklch(69.7% 0.121 165.3);

Tailwind

colors: {
  custom: {
    50: '#83ccad',
    500: '#42b58b',
    950: '#000000',
  },
}

SCSS

$custom: #42b58b;
$custom-light: #83ccad;
$custom-dark: #000000;

JSON

{
  "hex": "#42b58b",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 139
  },
  "hsl": {
    "h": 158.087,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69685,
    "c": 0.12129,
    "h": 165.3
  },
  "luminance": 0.3607
}

Semantic roles & 50–950 ramp

primary

#42B58B

secondary

#C58EA2

accent

#5282D6

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #42B58B

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

Preview Lab → · Contrast checker → · Palette generator →