#155F55#155F55

#155F55 is a dark, moderate teal. Relative luminance 0.090; OKLCH L 43.9% C 0.071 H 181.7°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#155F55
RGB	rgb(21, 95, 85)
HSL	hsl(172, 64%, 23%)
HSV	hsv(172, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 10.5%, 62.7%)
CIE-LAB	lab(35.98, -24.53, -0.64)
CIE-LCH	lch(35.98, 24.54, 181.50°)
OKLab	oklab(43.92% -0.0714 -0.0021)
OKLCH	oklch(43.92% 0.071 181.7)
XYZ	xyz(6.0404, 8.9990, 10.0112)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F55 #5F151F

analogous

#155F30 #155F55 #15445F

triadic

#155F55 #55155F #5F5515

tetradic

#155F55 #30155F #5F151F #445F15

square

#155F55 #30155F #5F151F #445F15

split-complementary

#155F55 #5F1544 #5F3015

monochromatic

#061916 #0A2D28 #155F55 #209182 #2BC3AF

Accessibility & contrast

On white

7.50

#155F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F55

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F55	#FFFFFF	#000000	##FFFFFF
##155F55	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5955

Deuteranopia (green-blind)

#505256

Tritanopia (blue-blind)

#00615C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f55;
/* rgb */ color: rgb(21, 95, 85);
/* oklch */ color: oklch(43.9% 0.071 181.7);

Tailwind

colors: {
  custom: {
    50: '#608d84',
    500: '#155f55',
    950: '#000000',
  },
}

SCSS

$custom: #155f55;
$custom-light: #608d84;
$custom-dark: #000000;

JSON

{
  "hex": "#155f55",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 85
  },
  "hsl": {
    "h": 171.892,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.4392,
    "c": 0.07145,
    "h": 181.7
  },
  "luminance": 0.09
}

Semantic roles & 50–950 ramp

primary

#155F55

secondary

#963A46

accent

#4157E7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155F55

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

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