#313B18#313B18

#313B18 is a dark, muted yellow-green. Relative luminance 0.038; OKLCH L 33.4% C 0.057 H 122.7°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#313B18
RGB	rgb(49, 59, 24)
HSL	hsl(77, 42%, 16%)
HSV	hsv(77, 59%, 23%)
CMYK	cmyk(16.9%, 0%, 59.3%, 76.9%)
CIE-LAB	lab(23.16, -10.85, 20.12)
CIE-LCH	lch(23.16, 22.86, 118.33°)
OKLab	oklab(33.38% -0.0306 0.0477)
OKLCH	oklch(33.38% 0.057 122.7)
XYZ	xyz(2.9955, 3.8468, 1.4487)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313B18 #22183B

analogous

#3B3418 #313B18 #203B18

triadic

#313B18 #18313B #3B1831

tetradic

#313B18 #183B34 #22183B #3B1820

square

#313B18 #183B34 #22183B #3B1820

split-complementary

#313B18 #18203B #34183B

monochromatic

#121609 #121609 #313B18 #55672A #79923B

Accessibility & contrast

On white

11.87

#313B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#313B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313B18

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313B18	#FFFFFF	#000000	##FFFFFF
##313B18	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3715

Deuteranopia (green-blind)

#3D371A

Tritanopia (blue-blind)

#333833

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #313b18;
/* rgb */ color: rgb(49, 59, 24);
/* oklch */ color: oklch(33.4% 0.057 122.7);

Tailwind

colors: {
  custom: {
    50: '#6a7156',
    500: '#313b18',
    950: '#000000',
  },
}

SCSS

$custom: #313b18;
$custom-light: #6a7156;
$custom-dark: #000000;

JSON

{
  "hex": "#313b18",
  "rgb": {
    "r": 49,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 77.143,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.33381,
    "c": 0.05666,
    "h": 122.7
  },
  "luminance": 0.03847
}

Semantic roles & 50–950 ramp

primary

#313B18

secondary

#4C3E71

accent

#56D279

background

#F6F6F5

surface

#EBECE9

border

#C6C7C5

text

#060703

muted

#7A7A78

Preview Lab

Preview with #313B18

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

Preview Lab → · Contrast checker → · Palette generator →