#243F0B#243F0B

#243F0B is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.4% C 0.083 H 133.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#243F0B
RGB	rgb(36, 63, 11)
HSL	hsl(91, 70%, 15%)
HSV	hsv(91, 83%, 25%)
CMYK	cmyk(42.9%, 0%, 82.5%, 75.3%)
CIE-LAB	lab(23.52, -20.36, 27.04)
CIE-LCH	lch(23.52, 33.85, 126.98°)
OKLab	oklab(33.38% -0.0572 0.0608)
OKLCH	oklch(33.38% 0.083 133.3)
XYZ	xyz(2.5654, 3.9541, 0.9446)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.81

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F0B #260B3F

analogous

#3E3F0B #243F0B #0B3F0C

triadic

#243F0B #0B243F #3F0B24

tetradic

#243F0B #0B3E3F #260B3F #3F0C0B

square

#243F0B #0B3E3F #260B3F #3F0C0B

split-complementary

#243F0B #0C0B3F #3F0B3E

monochromatic

#0F1A05 #0F1A05 #243F0B #427314 #60A71D

Accessibility & contrast

On white

11.73

#243F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#243F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F0B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F0B	#FFFFFF	#000000	##FFFFFF
##243F0B	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)

#423903

Deuteranopia (green-blind)

#3E3710

Tritanopia (blue-blind)

#243C35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #243f0b;
/* rgb */ color: rgb(36, 63, 11);
/* oklch */ color: oklch(33.4% 0.083 133.3);

Tailwind

colors: {
  custom: {
    50: '#62744e',
    500: '#243f0b',
    950: '#000000',
  },
}

SCSS

$custom: #243f0b;
$custom-light: #62744e;
$custom-dark: #000000;

JSON

{
  "hex": "#243f0b",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 11
  },
  "hsl": {
    "h": 91.154,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33384,
    "c": 0.08346,
    "h": 133.3
  },
  "luminance": 0.03954
}

Semantic roles & 50–950 ramp

primary

#243F0B

secondary

#542A7C

accent

#3BED97

background

#F5F7F4

surface

#EAEDE7

border

#C6C8C3

text

#050802

muted

#797B78

Preview Lab

Preview with #243F0B

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

Preview Lab → · Contrast checker → · Palette generator →