#1F520B#1F520B

#1F520B is a dark, moderate green. Relative luminance 0.064; OKLCH L 38.9% C 0.113 H 138.9°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F520B
RGB	rgb(31, 82, 11)
HSL	hsl(103, 76%, 18%)
HSV	hsv(103, 87%, 32%)
CMYK	cmyk(62.2%, 0%, 86.6%, 67.8%)
CIE-LAB	lab(30.28, -30.90, 33.50)
CIE-LCH	lch(30.28, 45.57, 132.69°)
OKLab	oklab(38.88% -0.0852 0.0744)
OKLCH	oklch(38.88% 0.113 138.9)
XYZ	xyz(3.6426, 6.3497, 1.3502)
Luminance	0.0635 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F520B #3E0B52

analogous

#42520B #1F520B #0B521B

triadic

#1F520B #0B1F52 #520B1F

tetradic

#1F520B #0B4252 #3E0B52 #521B0B

square

#1F520B #0B4252 #3E0B52 #521B0B

split-complementary

#1F520B #1B0B52 #520B42

monochromatic

#0A1B04 #0B1C04 #1F520B #338812 #48BE19

Accessibility & contrast

On white

9.25

#1F520B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1F520B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F520B

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F520B	#FFFFFF	#000000	##FFFFFF
##1F520B	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554A00

Deuteranopia (green-blind)

#4E4613

Tritanopia (blue-blind)

#1A4F45

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f520b;
/* rgb */ color: rgb(31, 82, 11);
/* oklch */ color: oklch(38.9% 0.113 138.9);

Tailwind

colors: {
  custom: {
    50: '#628351',
    500: '#1f520b',
    950: '#000000',
  },
}

SCSS

$custom: #1f520b;
$custom-light: #628351;
$custom-dark: #000000;

JSON

{
  "hex": "#1f520b",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 11
  },
  "hsl": {
    "h": 103.099,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.38875,
    "c": 0.11312,
    "h": 138.9
  },
  "luminance": 0.0635
}

Semantic roles & 50–950 ramp

primary

#1F520B

secondary

#722B8E

accent

#35F3BD

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#050B02

muted

#7A7C78

Preview Lab

Preview with #1F520B

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

Preview Lab → · Contrast checker → · Palette generator →