#155A39#155A39

#155A39 is a dark, moderate teal. Relative luminance 0.078; OKLCH L 41.6% C 0.087 H 157.7°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#155A39
RGB	rgb(21, 90, 57)
HSL	hsl(151, 62%, 22%)
HSV	hsv(151, 77%, 35%)
CMYK	cmyk(76.7%, 0%, 36.7%, 64.7%)
CIE-LAB	lab(33.49, -29.76, 13.14)
CIE-LCH	lch(33.49, 32.53, 156.18°)
OKLab	oklab(41.64% -0.0807 0.0331)
OKLCH	oklch(41.64% 0.087 157.7)
XYZ	xyz(4.7035, 7.7666, 5.1213)
Luminance	0.0777 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A39 #5A1536

analogous

#155A16 #155A39 #15595A

triadic

#155A39 #39155A #5A3915

tetradic

#155A39 #16155A #5A1536 #595A15

square

#155A39 #16155A #5A1536 #595A15

split-complementary

#155A39 #5A1559 #5A1615

monochromatic

#061910 #09281A #155A39 #218C58 #2CBD78

Accessibility & contrast

On white

8.22

#155A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#155A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A39

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A39	#FFFFFF	#000000	##FFFFFF
##155A39	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595237

Deuteranopia (green-blind)

#514C3B

Tritanopia (blue-blind)

#005951

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #155a39;
/* rgb */ color: rgb(21, 90, 57);
/* oklch */ color: oklch(41.6% 0.087 157.7);

Tailwind

colors: {
  custom: {
    50: '#5e896f',
    500: '#155a39',
    950: '#000000',
  },
}

SCSS

$custom: #155a39;
$custom-light: #5e896f;
$custom-dark: #000000;

JSON

{
  "hex": "#155a39",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 57
  },
  "hsl": {
    "h": 151.304,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.41639,
    "c": 0.08723,
    "h": 157.7
  },
  "luminance": 0.07767
}

Semantic roles & 50–950 ramp

primary

#155A39

secondary

#923963

accent

#4390E5

background

#F5F8F6

surface

#E9F0EC

border

#C5CBC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #155A39

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

Preview Lab → · Contrast checker → · Palette generator →