#283C11#283C11

#283C11 is a dark, moderate yellow-green. Relative luminance 0.037; OKLCH L 32.8% C 0.071 H 130.6°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#283C11
RGB	rgb(40, 60, 17)
HSL	hsl(88, 56%, 15%)
HSV	hsv(88, 72%, 24%)
CMYK	cmyk(33.3%, 0%, 71.7%, 76.5%)
CIE-LAB	lab(22.73, -16.46, 23.39)
CIE-LCH	lch(22.73, 28.60, 125.13°)
OKLab	oklab(32.83% -0.0463 0.054)
OKLCH	oklch(32.83% 0.071 130.6)
XYZ	xyz(2.5921, 3.7232, 1.1123)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.99

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C11 #25113C

analogous

#3C3A11 #283C11 #123C11

triadic

#283C11 #11283C #3C1128

tetradic

#283C11 #113C3A #25113C #3C1112

square

#283C11 #113C3A #25113C #3C1112

split-complementary

#283C11 #11123C #3A113C

monochromatic

#101807 #101807 #283C11 #486C1F #689B2C

Accessibility & contrast

On white

12.04

#283C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#283C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C11

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C11	#FFFFFF	#000000	##FFFFFF
##283C11	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F370C

Deuteranopia (green-blind)

#3C3614

Tritanopia (blue-blind)

#293933

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283c11;
/* rgb */ color: rgb(40, 60, 17);
/* oklch */ color: oklch(32.8% 0.071 130.6);

Tailwind

colors: {
  custom: {
    50: '#647251',
    500: '#283c11',
    950: '#000000',
  },
}

SCSS

$custom: #283c11;
$custom-light: #647251;
$custom-dark: #000000;

JSON

{
  "hex": "#283c11",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 17
  },
  "hsl": {
    "h": 87.907,
    "s": 55.844,
    "l": 15.098
  },
  "oklch": {
    "l": 0.32832,
    "c": 0.07111,
    "h": 130.6
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#283C11

secondary

#523375

accent

#49DF8F

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050702

muted

#7A7A78

Preview Lab

Preview with #283C11

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

Preview Lab → · Contrast checker → · Palette generator →