#1F4309#1F4309

#1F4309 is a dark, moderate yellow-green. Relative luminance 0.043; OKLCH L 34.3% C 0.094 H 136.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#1F4309
RGB	rgb(31, 67, 9)
HSL	hsl(97, 76%, 15%)
HSV	hsv(97, 87%, 26%)
CMYK	cmyk(53.7%, 0%, 86.6%, 73.7%)
CIE-LAB	lab(24.72, -24.44, 28.96)
CIE-LCH	lch(24.72, 37.89, 130.17°)
OKLab	oklab(34.29% -0.068 0.0645)
OKLCH	oklch(34.29% 0.094 136.5)
XYZ	xyz(2.6215, 4.3252, 0.9551)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 1.77

Hunter Green (survey)

#0B4008

ΔE00 2.98

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4309 #2D0943

analogous

#3C4309 #1F4309 #094310

triadic

#1F4309 #091F43 #43091F

tetradic

#1F4309 #093C43 #2D0943 #431009

square

#1F4309 #093C43 #2D0943 #431009

split-complementary

#1F4309 #100943 #43093C

monochromatic

#0C1B04 #0C1B04 #1F4309 #387910 #51AF17

Accessibility & contrast

On white

11.26

#1F4309 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1F4309 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4309

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4309	#FFFFFF	#000000	##FFFFFF
##1F4309	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D00

Deuteranopia (green-blind)

#413A0F

Tritanopia (blue-blind)

#1D4038

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1f4309;
/* rgb */ color: rgb(31, 67, 9);
/* oklch */ color: oklch(34.3% 0.094 136.5);

Tailwind

colors: {
  custom: {
    50: '#5f774d',
    500: '#1f4309',
    950: '#000000',
  },
}

SCSS

$custom: #1f4309;
$custom-light: #5f774d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4309",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 9
  },
  "hsl": {
    "h": 97.241,
    "s": 76.316,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34289,
    "c": 0.09375,
    "h": 136.5
  },
  "luminance": 0.04325
}

Semantic roles & 50–950 ramp

primary

#1F4309

secondary

#5F2781

accent

#35F3AB

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#050901

muted

#797B77

Preview Lab

Preview with #1F4309

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

Preview Lab → · Contrast checker → · Palette generator →