#155F31#155F31

#155F31 is a dark, moderate green. Relative luminance 0.086; OKLCH L 42.9% C 0.103 H 151.4°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#155F31
RGB	rgb(21, 95, 49)
HSL	hsl(143, 64%, 23%)
HSV	hsv(143, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 48.4%, 62.7%)
CIE-LAB	lab(35.13, -33.61, 20.07)
CIE-LCH	lch(35.13, 39.15, 149.16°)
OKLab	oklab(42.94% -0.0904 0.0493)
OKLCH	oklch(42.94% 0.103 151.4)
XYZ	xyz(4.9554, 8.5650, 4.2972)
Luminance	0.0857 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F31 #5F1543

analogous

#1E5F15 #155F31 #155F56

triadic

#155F31 #31155F #5F3115

tetradic

#155F31 #151E5F #5F1543 #5F5615

square

#155F31 #151E5F #5F1543 #5F5615

split-complementary

#155F31 #56155F #5F151E

monochromatic

#06190D #0A2D17 #155F31 #20914B #2BC365

Accessibility & contrast

On white

7.74

#155F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#155F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F31

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F31	#FFFFFF	#000000	##FFFFFF
##155F31	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562D

Deuteranopia (green-blind)

#575034

Tritanopia (blue-blind)

#005D54

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155f31;
/* rgb */ color: rgb(21, 95, 49);
/* oklch */ color: oklch(42.9% 0.103 151.4);

Tailwind

colors: {
  custom: {
    50: '#5f8d6a',
    500: '#155f31',
    950: '#000000',
  },
}

SCSS

$custom: #155f31;
$custom-light: #5f8d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#155f31",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 49
  },
  "hsl": {
    "h": 142.703,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42943,
    "c": 0.10301,
    "h": 151.4
  },
  "luminance": 0.08566
}

Semantic roles & 50–950 ramp

primary

#155F31

secondary

#963A73

accent

#41A8E7

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050C06

muted

#797D7A

Preview Lab

Preview with #155F31

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

Preview Lab → · Contrast checker → · Palette generator →