#155E42#155E42

#155E42 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.0% C 0.084 H 162.7°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#155E42
RGB	rgb(21, 94, 66)
HSL	hsl(157, 63%, 23%)
HSV	hsv(157, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 29.8%, 63.1%)
CIE-LAB	lab(35.12, -29.38, 9.87)
CIE-LCH	lch(35.12, 30.99, 161.44°)
OKLab	oklab(43.04% -0.0804 0.0251)
OKLCH	oklch(43.04% 0.084 162.7)
XYZ	xyz(5.2948, 8.5576, 6.5259)
Luminance	0.0856 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E42 #5E1531

analogous

#155E1D #155E42 #15565E

triadic

#155E42 #42155E #5E4215

tetradic

#155E42 #1D155E #5E1531 #565E15

square

#155E42 #1D155E #5E1531 #565E15

split-complementary

#155E42 #5E1556 #5E1D15

monochromatic

#061912 #0A2C1F #155E42 #209065 #2BC288

Accessibility & contrast

On white

7.74

#155E42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#155E42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E42

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E42	#FFFFFF	#000000	##FFFFFF
##155E42	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5740

Deuteranopia (green-blind)

#535044

Tritanopia (blue-blind)

#005E56

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155e42;
/* rgb */ color: rgb(21, 94, 66);
/* oklch */ color: oklch(43.0% 0.084 162.7);

Tailwind

colors: {
  custom: {
    50: '#5f8c76',
    500: '#155e42',
    950: '#000000',
  },
}

SCSS

$custom: #155e42;
$custom-light: #5f8c76;
$custom-dark: #000000;

JSON

{
  "hex": "#155e42",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 66
  },
  "hsl": {
    "h": 156.986,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43043,
    "c": 0.08425,
    "h": 162.7
  },
  "luminance": 0.08558
}

Semantic roles & 50–950 ramp

primary

#155E42

secondary

#95395D

accent

#4181E7

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155E42

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

Preview Lab → · Contrast checker → · Palette generator →