#155F42#155F42

#155F42 is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.3% C 0.086 H 162.1°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#155F42
RGB	rgb(21, 95, 66)
HSL	hsl(156, 64%, 23%)
HSV	hsv(156, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 30.5%, 62.7%)
CIE-LAB	lab(35.47, -29.83, 10.36)
CIE-LCH	lch(35.47, 31.58, 160.86°)
OKLab	oklab(43.33% -0.0815 0.0264)
OKLCH	oklch(43.33% 0.086 162.1)
XYZ	xyz(5.3843, 8.7366, 6.5558)
Luminance	0.0874 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F42 #5F1532

analogous

#155F1D #155F42 #15575F

triadic

#155F42 #42155F #5F4215

tetradic

#155F42 #1D155F #5F1532 #575F15

square

#155F42 #1D155F #5F1532 #575F15

split-complementary

#155F42 #5F1557 #5F1D15

monochromatic

#061911 #0A2D1F #155F42 #209165 #2BC388

Accessibility & contrast

On white

7.64

#155F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#155F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F42

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F42	#FFFFFF	#000000	##FFFFFF
##155F42	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5740

Deuteranopia (green-blind)

#545144

Tritanopia (blue-blind)

#005F57

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155f42;
/* rgb */ color: rgb(21, 95, 66);
/* oklch */ color: oklch(43.3% 0.086 162.1);

Tailwind

colors: {
  custom: {
    50: '#5f8d76',
    500: '#155f42',
    950: '#000000',
  },
}

SCSS

$custom: #155f42;
$custom-light: #5f8d76;
$custom-dark: #000000;

JSON

{
  "hex": "#155f42",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 66
  },
  "hsl": {
    "h": 156.486,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43334,
    "c": 0.0857,
    "h": 162.1
  },
  "luminance": 0.08737
}

Semantic roles & 50–950 ramp

primary

#155F42

secondary

#963A5E

accent

#4182E7

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155F42

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

Preview Lab → · Contrast checker → · Palette generator →