#155A40#155A40

#155A40 is a dark, moderate teal. Relative luminance 0.078; OKLCH L 41.8% C 0.080 H 163.3°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#155A40
RGB	rgb(21, 90, 64)
HSL	hsl(157, 62%, 22%)
HSV	hsv(157, 77%, 35%)
CMYK	cmyk(76.7%, 0%, 28.9%, 64.7%)
CIE-LAB	lab(33.65, -28.04, 9.05)
CIE-LCH	lch(33.65, 29.47, 162.11°)
OKLab	oklab(41.82% -0.0769 0.0231)
OKLCH	oklch(41.82% 0.08 163.3)
XYZ	xyz(4.8903, 7.8414, 6.1053)
Luminance	0.0784 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A40 #5A152F

analogous

#155A1E #155A40 #15525A

triadic

#155A40 #40155A #5A4015

tetradic

#155A40 #1E155A #5A152F #525A15

square

#155A40 #1E155A #5A152F #525A15

split-complementary

#155A40 #5A1552 #5A1E15

monochromatic

#061912 #09281D #155A40 #218C63 #2CBD87

Accessibility & contrast

On white

8.18

#155A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#155A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A40

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A40	#FFFFFF	#000000	##FFFFFF
##155A40	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533F

Deuteranopia (green-blind)

#4F4D42

Tritanopia (blue-blind)

#005A53

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #155a40;
/* rgb */ color: rgb(21, 90, 64);
/* oklch */ color: oklch(41.8% 0.080 163.3);

Tailwind

colors: {
  custom: {
    50: '#5e8974',
    500: '#155a40',
    950: '#000000',
  },
}

SCSS

$custom: #155a40;
$custom-light: #5e8974;
$custom-dark: #000000;

JSON

{
  "hex": "#155a40",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 64
  },
  "hsl": {
    "h": 157.391,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.41822,
    "c": 0.08031,
    "h": 163.3
  },
  "luminance": 0.07842
}

Semantic roles & 50–950 ramp

primary

#155A40

secondary

#92395B

accent

#4380E5

background

#F5F8F7

surface

#E9F0ED

border

#C5CBC8

text

#050B08

muted

#797C7B

Preview Lab

Preview with #155A40

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

Preview Lab → · Contrast checker → · Palette generator →