#1F3705#1F3705

#1F3705 is a dark, moderate yellow-green. Relative luminance 0.030; OKLCH L 30.6% C 0.079 H 132.3°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F3705
RGB	rgb(31, 55, 5)
HSL	hsl(89, 83%, 12%)
HSV	hsv(89, 91%, 22%)
CMYK	cmyk(43.6%, 0%, 90.9%, 78.4%)
CIE-LAB	lab(20.18, -18.88, 25.84)
CIE-LCH	lch(20.18, 32.00, 126.15°)
OKLab	oklab(30.56% -0.0534 0.0586)
OKLCH	oklch(30.56% 0.079 132.3)
XYZ	xyz(1.9586, 3.0346, 0.6261)
Luminance	0.0303 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 4.83

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3705 #1D0537

analogous

#373605 #1F3705 #063705

triadic

#1F3705 #051F37 #37051F

tetradic

#1F3705 #053736 #1D0537 #370506

square

#1F3705 #053736 #1D0537 #370506

split-complementary

#1F3705 #050637 #360537

monochromatic

#101C03 #101C03 #1F3705 #3F6F0A #5EA70F

Accessibility & contrast

On white

13.07

#1F3705 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F3705 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3705

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3705	#FFFFFF	#000000	##FFFFFF
##1F3705	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3200

Deuteranopia (green-blind)

#37300A

Tritanopia (blue-blind)

#1F342E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f3705;
/* rgb */ color: rgb(31, 55, 5);
/* oklch */ color: oklch(30.6% 0.079 132.3);

Tailwind

colors: {
  custom: {
    50: '#5d6e4a',
    500: '#1f3705',
    950: '#000000',
  },
}

SCSS

$custom: #1f3705;
$custom-light: #5d6e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3705",
  "rgb": {
    "r": 31,
    "g": 55,
    "b": 5
  },
  "hsl": {
    "h": 88.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.30559,
    "c": 0.07927,
    "h": 132.3
  },
  "luminance": 0.03035
}

Semantic roles & 50–950 ramp

primary

#1F3705

secondary

#4A2078

accent

#2EFA90

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3705

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

Preview Lab → · Contrast checker → · Palette generator →