#243B0B#243B0B

#243B0B is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.2% C 0.077 H 131.8°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#243B0B
RGB	rgb(36, 59, 11)
HSL	hsl(89, 69%, 14%)
HSV	hsv(89, 81%, 23%)
CMYK	cmyk(39%, 0%, 81.4%, 76.9%)
CIE-LAB	lab(22.04, -18.27, 25.51)
CIE-LCH	lch(22.04, 31.38, 125.61°)
OKLab	oklab(32.18% -0.0515 0.0577)
OKLCH	oklch(32.18% 0.077 131.8)
XYZ	xyz(2.3519, 3.5271, 0.8734)
Luminance	0.0353 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.15

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B0B #220B3B

analogous

#3B3A0B #243B0B #0C3B0B

triadic

#243B0B #0B243B #3B0B24

tetradic

#243B0B #0B3B3A #220B3B #3B0B0C

square

#243B0B #0B3B3A #220B3B #3B0B0C

split-complementary

#243B0B #0B0C3B #3A0B3B

monochromatic

#101A05 #101A05 #243B0B #436F15 #63A21E

Accessibility & contrast

On white

12.31

#243B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#243B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B0B

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B0B	#FFFFFF	#000000	##FFFFFF
##243B0B	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3604

Deuteranopia (green-blind)

#3B340F

Tritanopia (blue-blind)

#253832

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #243b0b;
/* rgb */ color: rgb(36, 59, 11);
/* oklch */ color: oklch(32.2% 0.077 131.8);

Tailwind

colors: {
  custom: {
    50: '#61714d',
    500: '#243b0b',
    950: '#000000',
  },
}

SCSS

$custom: #243b0b;
$custom-light: #61714d;
$custom-dark: #000000;

JSON

{
  "hex": "#243b0b",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 88.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.32178,
    "c": 0.07734,
    "h": 131.8
  },
  "luminance": 0.03527
}

Semantic roles & 50–950 ramp

primary

#243B0B

secondary

#4F2A78

accent

#3CEB90

background

#F5F6F4

surface

#EAECE7

border

#C6C7C3

text

#050701

muted

#797A77

Preview Lab

Preview with #243B0B

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

Preview Lab → · Contrast checker → · Palette generator →