#243F09#243F09

#243F09 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.4% C 0.085 H 132.9°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#243F09
RGB	rgb(36, 63, 9)
HSL	hsl(90, 75%, 14%)
HSV	hsv(90, 86%, 25%)
CMYK	cmyk(42.9%, 0%, 85.7%, 75.3%)
CIE-LAB	lab(23.50, -20.51, 27.85)
CIE-LCH	lch(23.50, 34.59, 126.37°)
OKLab	oklab(33.37% -0.0578 0.0622)
OKLCH	oklch(33.37% 0.085 132.9)
XYZ	xyz(2.5543, 3.9497, 0.8862)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.78

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F09 #24093F

analogous

#3F3F09 #243F09 #093F09

triadic

#243F09 #09243F #3F0924

tetradic

#243F09 #093F3F #24093F #3F0909

square

#243F09 #093F3F #24093F #3F0909

split-complementary

#243F09 #09093F #3F093F

monochromatic

#0F1B04 #0F1B04 #243F09 #437511 #61AA18

Accessibility & contrast

On white

11.73

#243F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#243F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F09

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F09	#FFFFFF	#000000	##FFFFFF
##243F09	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423901

Deuteranopia (green-blind)

#3E370E

Tritanopia (blue-blind)

#243C35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243f09;
/* rgb */ color: rgb(36, 63, 9);
/* oklch */ color: oklch(33.4% 0.085 132.9);

Tailwind

colors: {
  custom: {
    50: '#62744d',
    500: '#243f09',
    950: '#000000',
  },
}

SCSS

$custom: #243f09;
$custom-light: #62744d;
$custom-dark: #000000;

JSON

{
  "hex": "#243f09",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 9
  },
  "hsl": {
    "h": 90,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.33368,
    "c": 0.08489,
    "h": 132.9
  },
  "luminance": 0.0395
}

Semantic roles & 50–950 ramp

primary

#243F09

secondary

#52277D

accent

#36F294

background

#F5F7F4

surface

#EAEDE7

border

#C6C8C3

text

#050801

muted

#797B77

Preview Lab

Preview with #243F09

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

Preview Lab → · Contrast checker → · Palette generator →