#155E41#155E41

#155E41 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.0% C 0.085 H 161.8°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#155E41
RGB	rgb(21, 94, 65)
HSL	hsl(156, 63%, 23%)
HSV	hsv(156, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 30.9%, 63.1%)
CIE-LAB	lab(35.09, -29.63, 10.45)
CIE-LCH	lch(35.09, 31.42, 160.58°)
OKLab	oklab(43.02% -0.081 0.0266)
OKLCH	oklch(43.02% 0.085 161.8)
XYZ	xyz(5.2655, 8.5459, 6.3720)
Luminance	0.0855 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E41 #5E1532

analogous

#155E1C #155E41 #15575E

triadic

#155E41 #41155E #5E4115

tetradic

#155E41 #1C155E #5E1532 #575E15

square

#155E41 #1C155E #5E1532 #575E15

split-complementary

#155E41 #5E1557 #5E1C15

monochromatic

#061911 #0A2C1E #155E41 #209064 #2BC286

Accessibility & contrast

On white

7.75

#155E41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#155E41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E41

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E41	#FFFFFF	#000000	##FFFFFF
##155E41	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563F

Deuteranopia (green-blind)

#535043

Tritanopia (blue-blind)

#005E56

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155e41;
/* rgb */ color: rgb(21, 94, 65);
/* oklch */ color: oklch(43.0% 0.085 161.8);

Tailwind

colors: {
  custom: {
    50: '#5f8c75',
    500: '#155e41',
    950: '#000000',
  },
}

SCSS

$custom: #155e41;
$custom-light: #5f8c75;
$custom-dark: #000000;

JSON

{
  "hex": "#155e41",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 65
  },
  "hsl": {
    "h": 156.164,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43016,
    "c": 0.08521,
    "h": 161.8
  },
  "luminance": 0.08546
}

Semantic roles & 50–950 ramp

primary

#155E41

secondary

#95395E

accent

#4183E7

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155E41

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

Preview Lab → · Contrast checker → · Palette generator →