#31510F#31510F

#31510F is a dark, moderate yellow-green. Relative luminance 0.066; OKLCH L 39.6% C 0.099 H 132.3°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#31510F
RGB	rgb(49, 81, 15)
HSL	hsl(89, 69%, 19%)
HSV	hsv(89, 81%, 32%)
CMYK	cmyk(39.5%, 0%, 81.5%, 68.2%)
CIE-LAB	lab(30.81, -23.68, 32.83)
CIE-LCH	lch(30.81, 40.48, 125.81°)
OKLab	oklab(39.56% -0.0668 0.0733)
OKLCH	oklch(39.56% 0.099 132.3)
XYZ	xyz(4.2952, 6.5721, 1.4941)
Luminance	0.0657 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31510F #2F0F51

analogous

#51500F #31510F #10510F

triadic

#31510F #0F3151 #510F31

tetradic

#31510F #0F5150 #2F0F51 #510F10

square

#31510F #0F5150 #2F0F51 #510F10

split-complementary

#31510F #0F1051 #500F51

monochromatic

#101A05 #121D05 #31510F #508519 #6FB822

Accessibility & contrast

On white

9.07

#31510F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#31510F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31510F

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31510F	#FFFFFF	#000000	##FFFFFF
##31510F	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554A03

Deuteranopia (green-blind)

#504816

Tritanopia (blue-blind)

#324D44

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31510f;
/* rgb */ color: rgb(49, 81, 15);
/* oklch */ color: oklch(39.6% 0.099 132.3);

Tailwind

colors: {
  custom: {
    50: '#6c8253',
    500: '#31510f',
    950: '#000000',
  },
}

SCSS

$custom: #31510f;
$custom-light: #6c8253;
$custom-dark: #000000;

JSON

{
  "hex": "#31510f",
  "rgb": {
    "r": 49,
    "g": 81,
    "b": 15
  },
  "hsl": {
    "h": 89.091,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.3956,
    "c": 0.09921,
    "h": 132.3
  },
  "luminance": 0.06572
}

Semantic roles & 50–950 ramp

primary

#31510F

secondary

#5D318B

accent

#3CEC91

background

#F6F7F4

surface

#ECEEE7

border

#C7C9C3

text

#070A03

muted

#7A7C78

Preview Lab

Preview with #31510F

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

Preview Lab → · Contrast checker → · Palette generator →