#155F59#155F59

#155F59 is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.1% C 0.070 H 186.9°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#155F59
RGB	rgb(21, 95, 89)
HSL	hsl(175, 64%, 23%)
HSV	hsv(175, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 6.3%, 62.7%)
CIE-LAB	lab(36.11, -23.29, -2.94)
CIE-LCH	lch(36.11, 23.47, 187.20°)
OKLab	oklab(44.06% -0.0693 -0.0083)
OKLCH	oklch(44.06% 0.07 186.9)
XYZ	xyz(6.2038, 9.0644, 10.8719)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F59 #5F151B

analogous

#155F34 #155F59 #15405F

triadic

#155F59 #59155F #5F5915

tetradic

#155F59 #34155F #5F151B #405F15

square

#155F59 #34155F #5F151B #405F15

split-complementary

#155F59 #5F1540 #5F3415

monochromatic

#061917 #0A2D2A #155F59 #209188 #2BC3B7

Accessibility & contrast

On white

7.47

#155F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F59

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F59	#FFFFFF	#000000	##FFFFFF
##155F59	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5959

Deuteranopia (green-blind)

#4F525A

Tritanopia (blue-blind)

#00615D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f59;
/* rgb */ color: rgb(21, 95, 89);
/* oklch */ color: oklch(44.1% 0.070 186.9);

Tailwind

colors: {
  custom: {
    50: '#608d87',
    500: '#155f59',
    950: '#000000',
  },
}

SCSS

$custom: #155f59;
$custom-light: #608d87;
$custom-dark: #000000;

JSON

{
  "hex": "#155f59",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 89
  },
  "hsl": {
    "h": 175.135,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44064,
    "c": 0.06985,
    "h": 186.9
  },
  "luminance": 0.09065
}

Semantic roles & 50–950 ramp

primary

#155F59

secondary

#963A41

accent

#414EE7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155F59

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

Preview Lab → · Contrast checker → · Palette generator →