#1B2F03#1B2F03

#1B2F03 is a dark, moderate yellow-green. Relative luminance 0.023; OKLCH L 27.8% C 0.072 H 131.2°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F03
RGB	rgb(27, 47, 3)
HSL	hsl(87, 88%, 10%)
HSV	hsv(87, 94%, 18%)
CMYK	cmyk(42.6%, 0%, 93.6%, 81.6%)
CIE-LAB	lab(16.86, -16.63, 22.68)
CIE-LCH	lch(16.86, 28.12, 126.26°)
OKLab	oklab(27.77% -0.0473 0.054)
OKLCH	oklch(27.77% 0.072 131.2)
XYZ	xyz(1.4849, 2.2726, 0.4465)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F03 #17032F

analogous

#2F2D03 #1B2F03 #052F03

triadic

#1B2F03 #031B2F #2F031B

tetradic

#1B2F03 #032F2D #17032F #2F0305

square

#1B2F03 #032F2D #17032F #2F0305

split-complementary

#1B2F03 #03052F #2D032F

monochromatic

#111D02 #111D02 #1B2F03 #3C6907 #5DA20A

Accessibility & contrast

On white

14.44

#1B2F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1B2F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F03

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F03	#FFFFFF	#000000	##FFFFFF
##1B2F03	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322B00

Deuteranopia (green-blind)

#2F2907

Tritanopia (blue-blind)

#1C2D27

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b2f03;
/* rgb */ color: rgb(27, 47, 3);
/* oklch */ color: oklch(27.8% 0.072 131.2);

Tailwind

colors: {
  custom: {
    50: '#596748',
    500: '#1b2f03',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f03;
$custom-light: #596748;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f03",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 3
  },
  "hsl": {
    "h": 87.273,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.27768,
    "c": 0.0718,
    "h": 131.2
  },
  "luminance": 0.02273
}

Semantic roles & 50–950 ramp

primary

#1B2F03

secondary

#431B73

accent

#2AFE8A

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#040600

muted

#797A77

Preview Lab

Preview with #1B2F03

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

Preview Lab → · Contrast checker → · Palette generator →