#1B280C#1B280C

#1B280C is a dark, muted yellow-green. Relative luminance 0.018; OKLCH L 25.7% C 0.050 H 130.1°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B280C
RGB	rgb(27, 40, 12)
HSL	hsl(88, 54%, 10%)
HSV	hsv(88, 70%, 16%)
CMYK	cmyk(32.5%, 0%, 70%, 84.3%)
CIE-LAB	lab(14.27, -11.61, 15.69)
CIE-LCH	lch(14.27, 19.52, 126.51°)
OKLab	oklab(25.7% -0.0325 0.0386)
OKLCH	oklch(25.7% 0.05 130.1)
XYZ	xyz(1.2771, 1.7771, 0.6235)
Luminance	0.0178 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B280C #190C28

analogous

#28270C #1B280C #0D280C

triadic

#1B280C #0C1B28 #280C1B

tetradic

#1B280C #0C2827 #190C28 #280C0D

square

#1B280C #0C2827 #190C28 #280C0D

split-complementary

#1B280C #0C0D28 #270C28

monochromatic

#101807 #101807 #1B280C #3B571A #5B8628

Accessibility & contrast

On white

15.49

#1B280C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1B280C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B280C

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B280C	#FFFFFF	#000000	##FFFFFF
##1B280C	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2509

Deuteranopia (green-blind)

#28240E

Tritanopia (blue-blind)

#1C2622

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b280c;
/* rgb */ color: rgb(27, 40, 12);
/* oklch */ color: oklch(25.7% 0.050 130.1);

Tailwind

colors: {
  custom: {
    50: '#58624c',
    500: '#1b280c',
    950: '#000000',
  },
}

SCSS

$custom: #1b280c;
$custom-light: #58624c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b280c",
  "rgb": {
    "r": 27,
    "g": 40,
    "b": 12
  },
  "hsl": {
    "h": 87.857,
    "s": 53.846,
    "l": 10.196
  },
  "oklch": {
    "l": 0.25698,
    "c": 0.05046,
    "h": 130.1
  },
  "luminance": 0.01777
}

Semantic roles & 50–950 ramp

primary

#1B280C

secondary

#462D63

accent

#4BDD8F

background

#F5F5F4

surface

#E9EAE7

border

#C5C6C3

text

#030501

muted

#787977

Preview Lab

Preview with #1B280C

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

Preview Lab → · Contrast checker → · Palette generator →