#283C09#283C09

#283C09 is a dark, moderate yellow-green. Relative luminance 0.037; OKLCH L 32.8% C 0.078 H 129.0°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX#283C09
RGBrgb(40, 60, 9)
HSLhsl(84, 74%, 14%)
HSVhsv(84, 85%, 24%)
CMYKcmyk(33.3%, 0%, 85%, 76.5%)
CIE-LABlab(22.66, -17.16, 27.07)
CIE-LCHlch(22.66, 32.05, 122.37°)
OKLaboklab(32.75% -0.049 0.0606)
OKLCHoklch(32.75% 0.078 129)
XYZxyz(2.5402, 3.7025, 0.8392)
Luminance0.0370 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283C09 #1D093C
analogous
#3C3609 #283C09 #0E3C09
triadic
#283C09 #09283C #3C0928
tetradic
#283C09 #093C36 #1D093C #3C090E
square
#283C09 #093C36 #1D093C #3C090E
split-complementary
#283C09 #090E3C #36093C
monochromatic
#121B04 #121B04 #283C09 #4B7111 #6FA619

Accessibility & contrast

On white

12.06
#283C09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#283C09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C09
12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283C09#FFFFFF#000000##FFFFFF
##283C091.0012.061.7412.06
#FFFFFF12.061.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3702
Deuteranopia (green-blind)
#3D360E
Tritanopia (blue-blind)
#2A3932
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #283c09;
/* rgb */ color: rgb(40, 60, 9);
/* oklch */ color: oklch(32.8% 0.078 129.0);
Tailwind
colors: {
  custom: {
    50: '#64714c',
    500: '#283c09',
    950: '#000000',
  },
}
SCSS
$custom: #283c09;
$custom-light: #64714c;
$custom-dark: #000000;
JSON
{
  "hex": "#283c09",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 9
  },
  "hsl": {
    "h": 83.529,
    "s": 73.913,
    "l": 13.529
  },
  "oklch": {
    "l": 0.3275,
    "c": 0.0779,
    "h": 129
  },
  "luminance": 0.03703
}

Semantic roles & 50–950 ramp

primary
#283C09
secondary
#47277A
accent
#37F180
background
#F6F6F4
surface
#EBECE7
border
#C6C7C3
text
#060701
muted
#7A7A77

Preview Lab

Preview with #283C09

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

Preview Lab → · Contrast checker → · Palette generator →

#283C09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva