#155E55#155E55

#155E55 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.6% C 0.070 H 182.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#155E55
RGB	rgb(21, 94, 85)
HSL	hsl(173, 63%, 23%)
HSV	hsv(173, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 9.6%, 63.1%)
CIE-LAB	lab(35.64, -24.02, -1.15)
CIE-LCH	lch(35.64, 24.05, 182.75°)
OKLab	oklab(43.64% -0.0703 -0.0035)
OKLCH	oklch(43.64% 0.07 182.9)
XYZ	xyz(5.9509, 8.8200, 9.9814)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E55 #5E151E

analogous

#155E31 #155E55 #15425E

triadic

#155E55 #55155E #5E5515

tetradic

#155E55 #31155E #5E151E #425E15

square

#155E55 #31155E #5E151E #425E15

split-complementary

#155E55 #5E1542 #5E3115

monochromatic

#061917 #0A2C28 #155E55 #209082 #2BC2AF

Accessibility & contrast

On white

7.60

#155E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#155E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E55

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E55	#FFFFFF	#000000	##FFFFFF
##155E55	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595855

Deuteranopia (green-blind)

#4F5156

Tritanopia (blue-blind)

#00605B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e55;
/* rgb */ color: rgb(21, 94, 85);
/* oklch */ color: oklch(43.6% 0.070 182.9);

Tailwind

colors: {
  custom: {
    50: '#608c84',
    500: '#155e55',
    950: '#000000',
  },
}

SCSS

$custom: #155e55;
$custom-light: #608c84;
$custom-dark: #000000;

JSON

{
  "hex": "#155e55",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 85
  },
  "hsl": {
    "h": 172.603,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43637,
    "c": 0.07038,
    "h": 182.9
  },
  "luminance": 0.08821
}

Semantic roles & 50–950 ramp

primary

#155E55

secondary

#953945

accent

#4156E7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E55

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

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