#31660F#31660F

#31660F is a mid, vivid yellow-green. Relative luminance 0.102; OKLCH L 45.6% C 0.128 H 136.5°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#31660F
RGB	rgb(49, 102, 15)
HSL	hsl(97, 74%, 23%)
HSV	hsv(97, 85%, 40%)
CMYK	cmyk(52%, 0%, 85.3%, 60%)
CIE-LAB	lab(38.18, -33.31, 39.81)
CIE-LCH	lch(38.18, 51.90, 129.92°)
OKLab	oklab(45.6% -0.0927 0.0879)
OKLCH	oklch(45.6% 0.128 136.5)
XYZ	xyz(6.1040, 10.1898, 2.0970)
Luminance	0.1019 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31660F #440F66

analogous

#5C660F #31660F #0F6619

triadic

#31660F #0F3166 #660F31

tetradic

#31660F #0F5C66 #440F66 #66190F

square

#31660F #0F5C66 #440F66 #66190F

split-complementary

#31660F #190F66 #660F5C

monochromatic

#0D1B04 #173107 #31660F #4B9B17 #64D11F

Accessibility & contrast

On white

6.91

#31660F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#31660F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31660F

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31660F	#FFFFFF	#000000	##FFFFFF
##31660F	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5D00

Deuteranopia (green-blind)

#635819

Tritanopia (blue-blind)

#2E6256

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #31660f;
/* rgb */ color: rgb(49, 102, 15);
/* oklch */ color: oklch(45.6% 0.128 136.5);

Tailwind

colors: {
  custom: {
    50: '#6f9256',
    500: '#31660f',
    950: '#000000',
  },
}

SCSS

$custom: #31660f;
$custom-light: #6f9256;
$custom-dark: #000000;

JSON

{
  "hex": "#31660f",
  "rgb": {
    "r": 49,
    "g": 102,
    "b": 15
  },
  "hsl": {
    "h": 96.552,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.45603,
    "c": 0.12781,
    "h": 136.5
  },
  "luminance": 0.1019
}

Semantic roles & 50–950 ramp

primary

#31660F

secondary

#74329F

accent

#37F1A8

background

#F7F9F5

surface

#EDF1E9

border

#C8CBC5

text

#080D03

muted

#7B7E78

Preview Lab

Preview with #31660F

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

Preview Lab → · Contrast checker → · Palette generator →