#28440F#28440F

#28440F is a dark, moderate yellow-green. Relative luminance 0.046; OKLCH L 35.2% C 0.086 H 133.3°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#28440F
RGBrgb(40, 68, 15)
HSLhsl(92, 64%, 16%)
HSVhsv(92, 78%, 27%)
CMYKcmyk(41.2%, 0%, 77.9%, 73.3%)
CIE-LABlab(25.62, -20.90, 27.45)
CIE-LCHlch(25.62, 34.50, 127.28°)
OKLaboklab(35.18% -0.0586 0.0623)
OKLCHoklch(35.18% 0.086 133.3)
XYZxyz(3.0284, 4.6197, 1.1840)
Luminance0.0462 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28440F #2B0F44
analogous
#43440F #28440F #0F4411
triadic
#28440F #0F2844 #440F28
tetradic
#28440F #0F4344 #2B0F44 #44110F
square
#28440F #0F4344 #2B0F44 #44110F
split-complementary
#28440F #110F44 #440F43
monochromatic
#0F1906 #0F1906 #28440F #45761A #63A825

Accessibility & contrast

On white

10.91
#28440F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #28440F
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28440F#FFFFFF#000000##FFFFFF
##28440F1.0010.911.9210.91
#FFFFFF10.911.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473E07
Deuteranopia (green-blind)
#433C14
Tritanopia (blue-blind)
#284139
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #28440f;
/* rgb */ color: rgb(40, 68, 15);
/* oklch */ color: oklch(35.2% 0.086 133.3);
Tailwind
colors: {
  custom: {
    50: '#657851',
    500: '#28440f',
    950: '#000000',
  },
}
SCSS
$custom: #28440f;
$custom-light: #657851;
$custom-dark: #000000;
JSON
{
  "hex": "#28440f",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 15
  },
  "hsl": {
    "h": 91.698,
    "s": 63.855,
    "l": 16.275
  },
  "oklch": {
    "l": 0.35178,
    "c": 0.0855,
    "h": 133.3
  },
  "luminance": 0.0462
}

Semantic roles & 50–950 ramp

primary
#28440F
secondary
#5A307E
accent
#41E799
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060902
muted
#7A7B78

Preview Lab

Preview with #28440F

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

Preview Lab → · Contrast checker → · Palette generator →

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