#31640F#31640F

#31640F is a mid, vivid yellow-green. Relative luminance 0.098; OKLCH L 45.0% C 0.125 H 136.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#31640F
RGB	rgb(49, 100, 15)
HSL	hsl(96, 74%, 23%)
HSV	hsv(96, 85%, 39%)
CMYK	cmyk(51%, 0%, 85%, 60.8%)
CIE-LAB	lab(37.48, -32.45, 39.16)
CIE-LCH	lch(37.48, 50.86, 129.65°)
OKLab	oklab(45.03% -0.0904 0.0866)
OKLCH	oklch(45.03% 0.125 136.2)
XYZ	xyz(5.9099, 9.8014, 2.0323)
Luminance	0.0980 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31640F #420F64

analogous

#5B640F #31640F #0F6417

triadic

#31640F #0F3164 #640F31

tetradic

#31640F #0F5B64 #420F64 #64170F

square

#31640F #0F5B64 #420F64 #64170F

split-complementary

#31640F #170F64 #640F5B

monochromatic

#0D1B04 #172F07 #31640F #4B9917 #65CE1F

Accessibility & contrast

On white

7.09

#31640F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#31640F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31640F

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31640F	#FFFFFF	#000000	##FFFFFF
##31640F	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685B00

Deuteranopia (green-blind)

#615719

Tritanopia (blue-blind)

#2F6054

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #31640f;
/* rgb */ color: rgb(49, 100, 15);
/* oklch */ color: oklch(45.0% 0.125 136.2);

Tailwind

colors: {
  custom: {
    50: '#6f9056',
    500: '#31640f',
    950: '#000000',
  },
}

SCSS

$custom: #31640f;
$custom-light: #6f9056;
$custom-dark: #000000;

JSON

{
  "hex": "#31640f",
  "rgb": {
    "r": 49,
    "g": 100,
    "b": 15
  },
  "hsl": {
    "h": 96,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.45029,
    "c": 0.12522,
    "h": 136.2
  },
  "luminance": 0.09802
}

Semantic roles & 50–950 ramp

primary

#31640F

secondary

#72329D

accent

#37F1A6

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#080C03

muted

#7B7D78

Preview Lab

Preview with #31640F

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

Preview Lab → · Contrast checker → · Palette generator →