#155F56#155F56

#155F56 is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.0% C 0.071 H 183.0°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#155F56
RGB	rgb(21, 95, 86)
HSL	hsl(173, 64%, 23%)
HSV	hsv(173, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 9.5%, 62.7%)
CIE-LAB	lab(36.01, -24.22, -1.22)
CIE-LCH	lch(36.01, 24.25, 182.88°)
OKLab	oklab(43.96% -0.0709 -0.0037)
OKLCH	oklch(43.96% 0.071 183)
XYZ	xyz(6.0804, 9.0150, 10.2219)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F56 #5F151E

analogous

#155F31 #155F56 #15435F

triadic

#155F56 #56155F #5F5615

tetradic

#155F56 #31155F #5F151E #435F15

square

#155F56 #31155F #5F151E #435F15

split-complementary

#155F56 #5F1543 #5F3115

monochromatic

#061917 #0A2D29 #155F56 #209183 #2BC3B1

Accessibility & contrast

On white

7.49

#155F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F56

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F56	#FFFFFF	#000000	##FFFFFF
##155F56	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5956

Deuteranopia (green-blind)

#505257

Tritanopia (blue-blind)

#00615C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f56;
/* rgb */ color: rgb(21, 95, 86);
/* oklch */ color: oklch(44.0% 0.071 183.0);

Tailwind

colors: {
  custom: {
    50: '#608d85',
    500: '#155f56',
    950: '#000000',
  },
}

SCSS

$custom: #155f56;
$custom-light: #608d85;
$custom-dark: #000000;

JSON

{
  "hex": "#155f56",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 86
  },
  "hsl": {
    "h": 172.703,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43956,
    "c": 0.071,
    "h": 183
  },
  "luminance": 0.09016
}

Semantic roles & 50–950 ramp

primary

#155F56

secondary

#963A45

accent

#4155E7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155F56

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

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