#1F3101#1F3101

#1F3101 is a dark, moderate yellow-green. Relative luminance 0.025; OKLCH L 28.7% C 0.074 H 128.6°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F3101
RGB	rgb(31, 49, 1)
HSL	hsl(83, 96%, 10%)
HSV	hsv(83, 98%, 19%)
CMYK	cmyk(36.7%, 0%, 98%, 80.8%)
CIE-LAB	lab(17.87, -16.05, 24.79)
CIE-LCH	lch(17.87, 29.53, 122.92°)
OKLab	oklab(28.66% -0.0464 0.058)
OKLCH	oklch(28.66% 0.074 128.6)
XYZ	xyz(1.6689, 2.4901, 0.4214)
Luminance	0.0249 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3101 #130131

analogous

#312B01 #1F3101 #073101

triadic

#1F3101 #011F31 #31011F

tetradic

#1F3101 #01312B #130131 #310107

square

#1F3101 #01312B #130131 #310107

split-complementary

#1F3101 #010731 #2B0131

monochromatic

#131E01 #131E01 #1F3101 #456D02 #6BA903

Accessibility & contrast

On white

14.02

#1F3101 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1F3101 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3101

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3101	#FFFFFF	#000000	##FFFFFF
##1F3101	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D00

Deuteranopia (green-blind)

#322B05

Tritanopia (blue-blind)

#202E28

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f3101;
/* rgb */ color: rgb(31, 49, 1);
/* oklch */ color: oklch(28.7% 0.074 128.6);

Tailwind

colors: {
  custom: {
    50: '#5c6947',
    500: '#1f3101',
    950: '#000000',
  },
}

SCSS

$custom: #1f3101;
$custom-light: #5c6947;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3101",
  "rgb": {
    "r": 31,
    "g": 49,
    "b": 1
  },
  "hsl": {
    "h": 82.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.28663,
    "c": 0.07427,
    "h": 128.6
  },
  "luminance": 0.0249
}

Semantic roles & 50–950 ramp

primary

#1F3101

secondary

#3B1777

accent

#29FF79

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#040600

muted

#797A77

Preview Lab

Preview with #1F3101

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

Preview Lab → · Contrast checker → · Palette generator →