#28300A#28300A

#28300A is a dark, muted yellow-green. Relative luminance 0.026; OKLCH L 29.2% C 0.059 H 120.4°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX#28300A
RGBrgb(40, 48, 10)
HSLhsl(73, 66%, 11%)
HSVhsv(73, 79%, 19%)
CMYKcmyk(16.7%, 0%, 79.2%, 81.2%)
CIE-LABlab(18.31, -10.14, 21.81)
CIE-LCHlch(18.31, 24.05, 114.94°)
OKLaboklab(29.23% -0.0296 0.0505)
OKLCHoklch(29.23% 0.059 120.4)
XYZxyz(1.9868, 2.5869, 0.6818)
Luminance0.0259 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28300A #120A30
analogous
#30250A #28300A #15300A
triadic
#28300A #0A2830 #300A28
tetradic
#28300A #0A3025 #120A30 #300A15
square
#28300A #0A3025 #120A30 #300A15
split-complementary
#28300A #0A1530 #250A30
monochromatic
#151905 #151905 #28300A #526315 #7C951F

Accessibility & contrast

On white

13.84
#28300A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.52
#28300A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28300A
13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28300A#FFFFFF#000000##FFFFFF
##28300A1.0013.841.5213.84
#FFFFFF13.841.0021.001.00
#0000001.5221.001.0021.00
##FFFFFF13.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#342D06
Deuteranopia (green-blind)
#332D0D
Tritanopia (blue-blind)
#2B2D28
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #28300a;
/* rgb */ color: rgb(40, 48, 10);
/* oklch */ color: oklch(29.2% 0.059 120.4);
Tailwind
colors: {
  custom: {
    50: '#63684c',
    500: '#28300a',
    950: '#000000',
  },
}
SCSS
$custom: #28300a;
$custom-light: #63684c;
$custom-dark: #000000;
JSON
{
  "hex": "#28300a",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 10
  },
  "hsl": {
    "h": 72.632,
    "s": 65.517,
    "l": 11.373
  },
  "oklch": {
    "l": 0.29228,
    "c": 0.05858,
    "h": 120.4
  },
  "luminance": 0.02587
}

Semantic roles & 50–950 ramp

primary
#28300A
secondary
#37296D
accent
#3FE863
background
#F6F6F4
surface
#EBEBE7
border
#C6C6C3
text
#050601
muted
#7A7A77

Preview Lab

Preview with #28300A

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

Preview Lab → · Contrast checker → · Palette generator →

#28300A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva