#155E59#155E59

#155E59 is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.8% C 0.069 H 188.1°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#155E59
RGB	rgb(21, 94, 89)
HSL	hsl(176, 63%, 23%)
HSV	hsv(176, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 5.3%, 63.1%)
CIE-LAB	lab(35.76, -22.77, -3.45)
CIE-LCH	lch(35.76, 23.03, 188.62°)
OKLab	oklab(43.78% -0.0682 -0.0097)
OKLCH	oklch(43.78% 0.069 188.1)
XYZ	xyz(6.1143, 8.8854, 10.8421)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E59 #5E151A

analogous

#155E34 #155E59 #153F5E

triadic

#155E59 #59155E #5E5915

tetradic

#155E59 #34155E #5E151A #3F5E15

square

#155E59 #34155E #5E151A #3F5E15

split-complementary

#155E59 #5E153F #5E3415

monochromatic

#061918 #0A2C2A #155E59 #209088 #2BC2B8

Accessibility & contrast

On white

7.56

#155E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E59

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E59	#FFFFFF	#000000	##FFFFFF
##155E59	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585959

Deuteranopia (green-blind)

#4E515A

Tritanopia (blue-blind)

#00615C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e59;
/* rgb */ color: rgb(21, 94, 89);
/* oklch */ color: oklch(43.8% 0.069 188.1);

Tailwind

colors: {
  custom: {
    50: '#608c87',
    500: '#155e59',
    950: '#000000',
  },
}

SCSS

$custom: #155e59;
$custom-light: #608c87;
$custom-dark: #000000;

JSON

{
  "hex": "#155e59",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 89
  },
  "hsl": {
    "h": 175.89,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43783,
    "c": 0.06891,
    "h": 188.1
  },
  "luminance": 0.08886
}

Semantic roles & 50–950 ramp

primary

#155E59

secondary

#953940

accent

#414DE7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E59

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

Preview Lab → · Contrast checker → · Palette generator →