#1F370F#1F370F

#1F370F is a dark, moderate yellow-green. Relative luminance 0.031; OKLCH L 30.7% C 0.071 H 134.9°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F370F
RGB	rgb(31, 55, 15)
HSL	hsl(96, 57%, 14%)
HSV	hsv(96, 73%, 22%)
CMYK	cmyk(43.6%, 0%, 72.7%, 78.4%)
CIE-LAB	lab(20.28, -17.92, 21.57)
CIE-LCH	lch(20.28, 28.04, 129.72°)
OKLab	oklab(30.67% -0.0498 0.05)
OKLCH	oklch(30.67% 0.071 134.9)
XYZ	xyz(2.0174, 3.0581, 0.9358)
Luminance	0.0306 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F370F #270F37

analogous

#33370F #1F370F #0F3713

triadic

#1F370F #0F1F37 #370F1F

tetradic

#1F370F #0F3337 #270F37 #37130F

square

#1F370F #0F3337 #270F37 #37130F

split-complementary

#1F370F #130F37 #370F33

monochromatic

#0E1807 #0E1807 #1F370F #3A671C #559729

Accessibility & contrast

On white

13.03

#1F370F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F370F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F370F

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F370F	#FFFFFF	#000000	##FFFFFF
##1F370F	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39320A

Deuteranopia (green-blind)

#363012

Tritanopia (blue-blind)

#1F352F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f370f;
/* rgb */ color: rgb(31, 55, 15);
/* oklch */ color: oklch(30.7% 0.071 134.9);

Tailwind

colors: {
  custom: {
    50: '#5d6e4f',
    500: '#1f370f',
    950: '#000000',
  },
}

SCSS

$custom: #1f370f;
$custom-light: #5d6e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f370f",
  "rgb": {
    "r": 31,
    "g": 55,
    "b": 15
  },
  "hsl": {
    "h": 96,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.30665,
    "c": 0.07058,
    "h": 134.9
  },
  "luminance": 0.03058
}

Semantic roles & 50–950 ramp

primary

#1F370F

secondary

#573171

accent

#47E0A3

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040702

muted

#797A78

Preview Lab

Preview with #1F370F

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

Preview Lab → · Contrast checker → · Palette generator →