#1F2F09#1F2F09

#1F2F09 is a dark, moderate yellow-green. Relative luminance 0.023; OKLCH L 28.1% C 0.063 H 129.4°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F2F09
RGB	rgb(31, 47, 9)
HSL	hsl(85, 68%, 11%)
HSV	hsv(85, 81%, 18%)
CMYK	cmyk(34%, 0%, 80.9%, 81.6%)
CIE-LAB	lab(17.20, -14.13, 20.71)
CIE-LCH	lch(17.20, 25.07, 124.30°)
OKLab	oklab(28.14% -0.04 0.0488)
OKLCH	oklch(28.14% 0.063 129.4)
XYZ	xyz(1.6309, 2.3440, 0.6249)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2F09 #19092F

analogous

#2F2C09 #1F2F09 #0C2F09

triadic

#1F2F09 #091F2F #2F091F

tetradic

#1F2F09 #092F2C #19092F #2F090C

square

#1F2F09 #092F2C #19092F #2F090C

split-complementary

#1F2F09 #090C2F #2C092F

monochromatic

#111A05 #111A05 #1F2F09 #416213 #63961D

Accessibility & contrast

On white

14.30

#1F2F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1F2F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2F09

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2F09	#FFFFFF	#000000	##FFFFFF
##1F2F09	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322B05

Deuteranopia (green-blind)

#2F2A0C

Tritanopia (blue-blind)

#202D27

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f2f09;
/* rgb */ color: rgb(31, 47, 9);
/* oklch */ color: oklch(28.1% 0.063 129.4);

Tailwind

colors: {
  custom: {
    50: '#5c674b',
    500: '#1f2f09',
    950: '#000000',
  },
}

SCSS

$custom: #1f2f09;
$custom-light: #5c674b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2f09",
  "rgb": {
    "r": 31,
    "g": 47,
    "b": 9
  },
  "hsl": {
    "h": 85.263,
    "s": 67.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.28139,
    "c": 0.06311,
    "h": 129.4
  },
  "luminance": 0.02344
}

Semantic roles & 50–950 ramp

primary

#1F2F09

secondary

#44276D

accent

#3DEB86

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #1F2F09

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

Preview Lab → · Contrast checker → · Palette generator →