#243F0A#243F0A

#243F0A is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.4% C 0.084 H 133.1°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX#243F0A
RGBrgb(36, 63, 10)
HSLhsl(91, 73%, 14%)
HSVhsv(91, 84%, 25%)
CMYKcmyk(42.9%, 0%, 84.1%, 75.3%)
CIE-LABlab(23.51, -20.44, 27.45)
CIE-LCHlch(23.51, 34.22, 126.67°)
OKLaboklab(33.38% -0.0575 0.0615)
OKLCHoklch(33.38% 0.084 133.1)
XYZxyz(2.5598, 3.9519, 0.9150)
Luminance0.0395 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#243F0A #250A3F
analogous
#3F3F0A #243F0A #0A3F0B
triadic
#243F0A #0A243F #3F0A24
tetradic
#243F0A #0A3F3F #250A3F #3F0B0A
square
#243F0A #0A3F3F #250A3F #3F0B0A
split-complementary
#243F0A #0B0A3F #3F0A3F
monochromatic
#0F1A04 #0F1A04 #243F0A #427412 #60A91B

Accessibility & contrast

On white

11.73
#243F0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#243F0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F0A
11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##243F0A#FFFFFF#000000##FFFFFF
##243F0A1.0011.731.7911.73
#FFFFFF11.731.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#423902
Deuteranopia (green-blind)
#3E370F
Tritanopia (blue-blind)
#243C35
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #243f0a;
/* rgb */ color: rgb(36, 63, 10);
/* oklch */ color: oklch(33.4% 0.084 133.1);
Tailwind
colors: {
  custom: {
    50: '#62744d',
    500: '#243f0a',
    950: '#000000',
  },
}
SCSS
$custom: #243f0a;
$custom-light: #62744d;
$custom-dark: #000000;
JSON
{
  "hex": "#243f0a",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 10
  },
  "hsl": {
    "h": 90.566,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.33376,
    "c": 0.08419,
    "h": 133.1
  },
  "luminance": 0.03952
}

Semantic roles & 50–950 ramp

primary
#243F0A
secondary
#53297C
accent
#38EF96
background
#F5F7F4
surface
#EAEDE7
border
#C6C8C3
text
#050801
muted
#797B77

Preview Lab

Preview with #243F0A

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

Preview Lab → · Contrast checker → · Palette generator →

#243F0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva