#1B2F09#1B2F09

#1B2F09 is a dark, moderate yellow-green. Relative luminance 0.023; OKLCH L 27.8% C 0.066 H 133.0°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F09
RGB	rgb(27, 47, 9)
HSL	hsl(92, 68%, 11%)
HSV	hsv(92, 81%, 18%)
CMYK	cmyk(42.6%, 0%, 80.9%, 81.6%)
CIE-LAB	lab(16.92, -15.99, 20.31)
CIE-LCH	lch(16.92, 25.85, 128.21°)
OKLab	oklab(27.84% -0.0448 0.0481)
OKLCH	oklch(27.84% 0.066 133)
XYZ	xyz(1.5178, 2.2857, 0.6196)
Luminance	0.0229 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F09 #1D092F

analogous

#2E2F09 #1B2F09 #092F0A

triadic

#1B2F09 #091B2F #2F091B

tetradic

#1B2F09 #092E2F #1D092F #2F0A09

square

#1B2F09 #092E2F #1D092F #2F0A09

split-complementary

#1B2F09 #0A092F #2F092E

monochromatic

#0F1A05 #0F1A05 #1B2F09 #396213 #56961D

Accessibility & contrast

On white

14.41

#1B2F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B2F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F09

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F09	#FFFFFF	#000000	##FFFFFF
##1B2F09	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B05

Deuteranopia (green-blind)

#2E290C

Tritanopia (blue-blind)

#1B2D27

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b2f09;
/* rgb */ color: rgb(27, 47, 9);
/* oklch */ color: oklch(27.8% 0.066 133.0);

Tailwind

colors: {
  custom: {
    50: '#59674b',
    500: '#1b2f09',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f09;
$custom-light: #59674b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f09",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 9
  },
  "hsl": {
    "h": 91.579,
    "s": 67.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.2784,
    "c": 0.06571,
    "h": 133
  },
  "luminance": 0.02286
}

Semantic roles & 50–950 ramp

primary

#1B2F09

secondary

#4C276D

accent

#3DEB98

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#030601

muted

#787A77

Preview Lab

Preview with #1B2F09

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

Preview Lab → · Contrast checker → · Palette generator →