#283B11#283B11

#283B11 is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.5% C 0.069 H 130.1°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#283B11
RGB	rgb(40, 59, 17)
HSL	hsl(87, 55%, 15%)
HSV	hsv(87, 71%, 23%)
CMYK	cmyk(32.2%, 0%, 71.2%, 76.9%)
CIE-LAB	lab(22.37, -15.90, 22.99)
CIE-LCH	lch(22.37, 27.95, 124.67°)
OKLab	oklab(32.54% -0.0447 0.0531)
OKLCH	oklch(32.54% 0.069 130.1)
XYZ	xyz(2.5402, 3.6194, 1.0950)
Luminance	0.0362 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B11 #24113B

analogous

#3B3911 #283B11 #133B11

triadic

#283B11 #11283B #3B1128

tetradic

#283B11 #113B39 #24113B #3B1113

square

#283B11 #113B39 #24113B #3B1113

split-complementary

#283B11 #11133B #39113B

monochromatic

#101807 #101807 #283B11 #486B1F #689A2C

Accessibility & contrast

On white

12.18

#283B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#283B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B11

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B11	#FFFFFF	#000000	##FFFFFF
##283B11	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E360C

Deuteranopia (green-blind)

#3B3514

Tritanopia (blue-blind)

#293832

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283b11;
/* rgb */ color: rgb(40, 59, 17);
/* oklch */ color: oklch(32.5% 0.069 130.1);

Tailwind

colors: {
  custom: {
    50: '#647151',
    500: '#283b11',
    950: '#000000',
  },
}

SCSS

$custom: #283b11;
$custom-light: #647151;
$custom-dark: #000000;

JSON

{
  "hex": "#283b11",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 87.143,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.32537,
    "c": 0.06947,
    "h": 130.1
  },
  "luminance": 0.0362
}

Semantic roles & 50–950 ramp

primary

#283B11

secondary

#513374

accent

#49DF8D

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050702

muted

#7A7A78

Preview Lab

Preview with #283B11

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

Preview Lab → · Contrast checker → · Palette generator →