#155B2B#155B2B

#155B2B is a dark, moderate green. Relative luminance 0.078; OKLCH L 41.6% C 0.103 H 149.5°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#155B2B
RGB	rgb(21, 91, 43)
HSL	hsl(139, 63%, 22%)
HSV	hsv(139, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 52.7%, 64.3%)
CIE-LAB	lab(33.60, -33.08, 21.57)
CIE-LCH	lch(33.60, 39.49, 146.89°)
OKLab	oklab(41.64% -0.089 0.0525)
OKLCH	oklch(41.64% 0.103 149.5)
XYZ	xyz(4.4860, 7.8155, 3.5572)
Luminance	0.0782 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B2B #5B1545

analogous

#225B15 #155B2B #155B4E

triadic

#155B2B #2B155B #5B2B15

tetradic

#155B2B #15225B #5B1545 #5B4E15

square

#155B2B #15225B #5B1545 #5B4E15

split-complementary

#155B2B #4E155B #5B1522

monochromatic

#06190C #0A2914 #155B2B #208D42 #2CBE5A

Accessibility & contrast

On white

8.19

#155B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#155B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B2B

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B2B	#FFFFFF	#000000	##FFFFFF
##155B2B	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5327

Deuteranopia (green-blind)

#534D2E

Tritanopia (blue-blind)

#005950

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #155b2b;
/* rgb */ color: rgb(21, 91, 43);
/* oklch */ color: oklch(41.6% 0.103 149.5);

Tailwind

colors: {
  custom: {
    50: '#5e8a65',
    500: '#155b2b',
    950: '#000000',
  },
}

SCSS

$custom: #155b2b;
$custom-light: #5e8a65;
$custom-dark: #000000;

JSON

{
  "hex": "#155b2b",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 43
  },
  "hsl": {
    "h": 138.857,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41641,
    "c": 0.10333,
    "h": 149.5
  },
  "luminance": 0.07816
}

Semantic roles & 50–950 ramp

primary

#155B2B

secondary

#923976

accent

#42B2E6

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050C05

muted

#797D7A

Preview Lab

Preview with #155B2B

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

Preview Lab → · Contrast checker → · Palette generator →