#1B2A09#1B2A09

#1B2A09 is a dark, muted yellow-green. Relative luminance 0.019; OKLCH L 26.3% C 0.057 H 130.3°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B2A09
RGB	rgb(27, 42, 9)
HSL	hsl(87, 65%, 10%)
HSV	hsv(87, 79%, 16%)
CMYK	cmyk(35.7%, 0%, 78.6%, 83.5%)
CIE-LAB	lab(15.00, -13.15, 17.90)
CIE-LCH	lch(15.00, 22.21, 126.32°)
OKLab	oklab(26.28% -0.0371 0.0437)
OKLCH	oklch(26.28% 0.057 130.3)
XYZ	xyz(1.3293, 1.9086, 0.5568)
Luminance	0.0191 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2A09 #18092A

analogous

#2A2909 #1B2A09 #0A2A09

triadic

#1B2A09 #091B2A #2A091B

tetradic

#1B2A09 #092A29 #18092A #2A090A

square

#1B2A09 #092A29 #18092A #2A090A

split-complementary

#1B2A09 #090A2A #29092A

monochromatic

#101905 #101905 #1B2A09 #3B5C14 #5C8F1F

Accessibility & contrast

On white

15.20

#1B2A09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1B2A09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2A09

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2A09	#FFFFFF	#000000	##FFFFFF
##1B2A09	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2606

Deuteranopia (green-blind)

#2A250C

Tritanopia (blue-blind)

#1C2823

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b2a09;
/* rgb */ color: rgb(27, 42, 9);
/* oklch */ color: oklch(26.3% 0.057 130.3);

Tailwind

colors: {
  custom: {
    50: '#58634b',
    500: '#1b2a09',
    950: '#000000',
  },
}

SCSS

$custom: #1b2a09;
$custom-light: #58634b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2a09",
  "rgb": {
    "r": 27,
    "g": 42,
    "b": 9
  },
  "hsl": {
    "h": 87.273,
    "s": 64.706,
    "l": 10
  },
  "oklch": {
    "l": 0.26277,
    "c": 0.05731,
    "h": 130.3
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#1B2A09

secondary

#442768

accent

#40E88C

background

#F5F5F4

surface

#E9EAE7

border

#C5C6C3

text

#030501

muted

#787977

Preview Lab

Preview with #1B2A09

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

Preview Lab → · Contrast checker → · Palette generator →