#155E31#155E31

#155E31 is a dark, moderate green. Relative luminance 0.084; OKLCH L 42.6% C 0.102 H 151.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#155E31
RGB	rgb(21, 94, 49)
HSL	hsl(143, 63%, 23%)
HSV	hsv(143, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 47.9%, 63.1%)
CIE-LAB	lab(34.77, -33.20, 19.61)
CIE-LCH	lch(34.77, 38.55, 149.43°)
OKLab	oklab(42.65% -0.0893 0.0482)
OKLCH	oklch(42.65% 0.102 151.6)
XYZ	xyz(4.8659, 8.3860, 4.2674)
Luminance	0.0839 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E31 #5E1542

analogous

#1D5E15 #155E31 #155E56

triadic

#155E31 #31155E #5E3115

tetradic

#155E31 #151D5E #5E1542 #5E5615

square

#155E31 #151D5E #5E1542 #5E5615

split-complementary

#155E31 #56155E #5E151D

monochromatic

#06190D #0A2C17 #155E31 #20904B #2BC265

Accessibility & contrast

On white

7.84

#155E31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#155E31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E31

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E31	#FFFFFF	#000000	##FFFFFF
##155E31	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552E

Deuteranopia (green-blind)

#564F34

Tritanopia (blue-blind)

#005C53

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155e31;
/* rgb */ color: rgb(21, 94, 49);
/* oklch */ color: oklch(42.6% 0.102 151.6);

Tailwind

colors: {
  custom: {
    50: '#5f8c6a',
    500: '#155e31',
    950: '#000000',
  },
}

SCSS

$custom: #155e31;
$custom-light: #5f8c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#155e31",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 49
  },
  "hsl": {
    "h": 143.014,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42647,
    "c": 0.10154,
    "h": 151.6
  },
  "luminance": 0.08387
}

Semantic roles & 50–950 ramp

primary

#155E31

secondary

#953972

accent

#41A7E7

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050C06

muted

#797D7A

Preview Lab

Preview with #155E31

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

Preview Lab → · Contrast checker → · Palette generator →