#155D41#155D41

#155D41 is a dark, moderate teal. Relative luminance 0.084; OKLCH L 42.7% C 0.084 H 162.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#155D41
RGB	rgb(21, 93, 65)
HSL	hsl(157, 63%, 22%)
HSV	hsv(157, 77%, 36%)
CMYK	cmyk(77.4%, 0%, 30.1%, 63.5%)
CIE-LAB	lab(34.74, -29.17, 9.95)
CIE-LCH	lch(34.74, 30.82, 161.16°)
OKLab	oklab(42.73% -0.0798 0.0253)
OKLCH	oklch(42.73% 0.084 162.4)
XYZ	xyz(5.1772, 8.3692, 6.3426)
Luminance	0.0837 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D41 #5D1531

analogous

#155D1D #155D41 #15555D

triadic

#155D41 #41155D #5D4115

tetradic

#155D41 #1D155D #5D1531 #555D15

square

#155D41 #1D155D #5D1531 #555D15

split-complementary

#155D41 #5D1555 #5D1D15

monochromatic

#061911 #0A2B1E #155D41 #208F64 #2CC187

Accessibility & contrast

On white

7.85

#155D41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#155D41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D41

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D41	#FFFFFF	#000000	##FFFFFF
##155D41	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B563F

Deuteranopia (green-blind)

#524F43

Tritanopia (blue-blind)

#005D55

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155d41;
/* rgb */ color: rgb(21, 93, 65);
/* oklch */ color: oklch(42.7% 0.084 162.4);

Tailwind

colors: {
  custom: {
    50: '#5e8b75',
    500: '#155d41',
    950: '#000000',
  },
}

SCSS

$custom: #155d41;
$custom-light: #5e8b75;
$custom-dark: #000000;

JSON

{
  "hex": "#155d41",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 65
  },
  "hsl": {
    "h": 156.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42725,
    "c": 0.08375,
    "h": 162.4
  },
  "luminance": 0.0837
}

Semantic roles & 50–950 ramp

primary

#155D41

secondary

#94395D

accent

#4282E6

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155D41

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

Preview Lab → · Contrast checker → · Palette generator →