#155F41#155F41

#155F41 is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.3% C 0.087 H 161.3°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#155F41
RGB	rgb(21, 95, 65)
HSL	hsl(156, 64%, 23%)
HSV	hsv(156, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 31.6%, 62.7%)
CIE-LAB	lab(35.45, -30.08, 10.94)
CIE-LCH	lch(35.45, 32.01, 160.02°)
OKLab	oklab(43.31% -0.0821 0.0278)
OKLCH	oklch(43.31% 0.087 161.3)
XYZ	xyz(5.3550, 8.7249, 6.4018)
Luminance	0.0873 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F41 #5F1533

analogous

#155F1C #155F41 #15585F

triadic

#155F41 #41155F #5F4115

tetradic

#155F41 #1C155F #5F1533 #585F15

square

#155F41 #1C155F #5F1533 #585F15

split-complementary

#155F41 #5F1558 #5F1C15

monochromatic

#061911 #0A2D1F #155F41 #209163 #2BC386

Accessibility & contrast

On white

7.65

#155F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#155F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F41

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F41	#FFFFFF	#000000	##FFFFFF
##155F41	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573F

Deuteranopia (green-blind)

#545143

Tritanopia (blue-blind)

#005F57

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155f41;
/* rgb */ color: rgb(21, 95, 65);
/* oklch */ color: oklch(43.3% 0.087 161.3);

Tailwind

colors: {
  custom: {
    50: '#5f8d75',
    500: '#155f41',
    950: '#000000',
  },
}

SCSS

$custom: #155f41;
$custom-light: #5f8d75;
$custom-dark: #000000;

JSON

{
  "hex": "#155f41",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 65
  },
  "hsl": {
    "h": 155.676,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43307,
    "c": 0.08666,
    "h": 161.3
  },
  "luminance": 0.08726
}

Semantic roles & 50–950 ramp

primary

#155F41

secondary

#963A5F

accent

#4184E7

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155F41

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

Preview Lab → · Contrast checker → · Palette generator →