#243B0A#243B0A

#243B0A is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.2% C 0.078 H 131.6°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#243B0A
RGB	rgb(36, 59, 10)
HSL	hsl(88, 71%, 14%)
HSV	hsv(88, 83%, 23%)
CMYK	cmyk(39%, 0%, 83.1%, 76.9%)
CIE-LAB	lab(22.03, -18.35, 25.92)
CIE-LCH	lch(22.03, 31.76, 125.30°)
OKLab	oklab(32.17% -0.0518 0.0584)
OKLCH	oklch(32.17% 0.078 131.6)
XYZ	xyz(2.3463, 3.5248, 0.8438)
Luminance	0.0352 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.11

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B0A #210A3B

analogous

#3B390A #243B0A #0C3B0A

triadic

#243B0A #0A243B #3B0A24

tetradic

#243B0A #0A3B39 #210A3B #3B0A0C

square

#243B0A #0A3B39 #210A3B #3B0A0C

split-complementary

#243B0A #0A0C3B #390A3B

monochromatic

#101A04 #101A04 #243B0A #446F13 #64A41C

Accessibility & contrast

On white

12.32

#243B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#243B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B0A

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B0A	#FFFFFF	#000000	##FFFFFF
##243B0A	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3603

Deuteranopia (green-blind)

#3B340F

Tritanopia (blue-blind)

#253831

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #243b0a;
/* rgb */ color: rgb(36, 59, 10);
/* oklch */ color: oklch(32.2% 0.078 131.6);

Tailwind

colors: {
  custom: {
    50: '#61714d',
    500: '#243b0a',
    950: '#000000',
  },
}

SCSS

$custom: #243b0a;
$custom-light: #61714d;
$custom-dark: #000000;

JSON

{
  "hex": "#243b0a",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 10
  },
  "hsl": {
    "h": 88.163,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.32169,
    "c": 0.07811,
    "h": 131.6
  },
  "luminance": 0.03525
}

Semantic roles & 50–950 ramp

primary

#243B0A

secondary

#4E2878

accent

#3AEE8E

background

#F5F6F4

surface

#EAECE7

border

#C6C7C3

text

#050701

muted

#797A77

Preview Lab

Preview with #243B0A

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

Preview Lab → · Contrast checker → · Palette generator →