#28440A#28440A

#28440A is a dark, moderate yellow-green. Relative luminance 0.046; OKLCH L 35.1% C 0.089 H 132.4°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX#28440A
RGBrgb(40, 68, 10)
HSLhsl(89, 74%, 15%)
HSVhsv(89, 85%, 27%)
CMYKcmyk(41.2%, 0%, 85.3%, 73.3%)
CIE-LABlab(25.58, -21.28, 29.56)
CIE-LCHlch(25.58, 36.42, 125.76°)
OKLaboklab(35.14% -0.0601 0.0658)
OKLCHoklch(35.14% 0.089 132.4)
XYZxyz(2.9969, 4.6071, 1.0185)
Luminance0.0461 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28440A #260A44
analogous
#44430A #28440A #0B440A
triadic
#28440A #0A2844 #440A28
tetradic
#28440A #0A4443 #260A44 #440A0B
square
#28440A #0A4443 #260A44 #440A0B
split-complementary
#28440A #0A0B44 #430A44
monochromatic
#101B04 #101B04 #28440A #477912 #67AF1A

Accessibility & contrast

On white

10.93
#28440A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #28440A
10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28440A#FFFFFF#000000##FFFFFF
##28440A1.0010.931.9210.93
#FFFFFF10.931.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473E01
Deuteranopia (green-blind)
#433C10
Tritanopia (blue-blind)
#284139
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #28440a;
/* rgb */ color: rgb(40, 68, 10);
/* oklch */ color: oklch(35.1% 0.089 132.4);
Tailwind
colors: {
  custom: {
    50: '#65784e',
    500: '#28440a',
    950: '#000000',
  },
}
SCSS
$custom: #28440a;
$custom-light: #65784e;
$custom-dark: #000000;
JSON
{
  "hex": "#28440a",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 10
  },
  "hsl": {
    "h": 88.966,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.35135,
    "c": 0.0891,
    "h": 132.4
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary
#28440A
secondary
#532981
accent
#37F191
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060902
muted
#7A7B78

Preview Lab

Preview with #28440A

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

Preview Lab → · Contrast checker → · Palette generator →

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