#28440D#28440D

#28440D is a dark, moderate yellow-green. Relative luminance 0.046; OKLCH L 35.2% C 0.087 H 132.9°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX#28440D
RGBrgb(40, 68, 13)
HSLhsl(91, 68%, 16%)
HSVhsv(91, 81%, 27%)
CMYKcmyk(41.2%, 0%, 80.9%, 73.3%)
CIE-LABlab(25.61, -21.06, 28.34)
CIE-LCHlch(25.61, 35.31, 126.63°)
OKLaboklab(35.16% -0.0592 0.0638)
OKLCHoklch(35.16% 0.087 132.9)
XYZxyz(3.0148, 4.6143, 1.1125)
Luminance0.0461 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28440D #290D44
analogous
#43440D #28440D #0D440D
triadic
#28440D #0D2844 #440D28
tetradic
#28440D #0D4344 #290D44 #440D0D
square
#28440D #0D4344 #290D44 #440D0D
split-complementary
#28440D #0D0D44 #440D43
monochromatic
#0F1A05 #0F1A05 #28440D #467717 #64AB21

Accessibility & contrast

On white

10.92
#28440D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#28440D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28440D
10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28440D#FFFFFF#000000##FFFFFF
##28440D1.0010.921.9210.92
#FFFFFF10.921.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473E05
Deuteranopia (green-blind)
#433C12
Tritanopia (blue-blind)
#284139
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #28440d;
/* rgb */ color: rgb(40, 68, 13);
/* oklch */ color: oklch(35.2% 0.087 132.9);
Tailwind
colors: {
  custom: {
    50: '#657850',
    500: '#28440d',
    950: '#000000',
  },
}
SCSS
$custom: #28440d;
$custom-light: #657850;
$custom-dark: #000000;
JSON
{
  "hex": "#28440d",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 13
  },
  "hsl": {
    "h": 90.545,
    "s": 67.901,
    "l": 15.882
  },
  "oklch": {
    "l": 0.35159,
    "c": 0.08703,
    "h": 132.9
  },
  "luminance": 0.04614
}

Semantic roles & 50–950 ramp

primary
#28440D
secondary
#572D7F
accent
#3DEB95
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060902
muted
#7A7B78

Preview Lab

Preview with #28440D

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

Preview Lab → · Contrast checker → · Palette generator →

#28440D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva