#183B06#183B06

#183B06 is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.4% C 0.089 H 137.4°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#183B06
RGB	rgb(24, 59, 6)
HSL	hsl(100, 82%, 13%)
HSV	hsv(100, 90%, 23%)
CMYK	cmyk(59.3%, 0%, 89.8%, 76.9%)
CIE-LAB	lab(21.34, -23.52, 26.61)
CIE-LCH	lch(21.34, 35.51, 131.47°)
OKLab	oklab(31.41% -0.0652 0.0599)
OKLCH	oklch(31.41% 0.089 137.4)
XYZ	xyz(1.9735, 3.3351, 0.7120)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B06 #29063B

analogous

#323B06 #183B06 #063B0F

triadic

#183B06 #06183B #3B0618

tetradic

#183B06 #06323B #29063B #3B0F06

square

#183B06 #06323B #29063B #3B0F06

split-complementary

#183B06 #0F063B #3B0632

monochromatic

#0B1C03 #0B1C03 #183B06 #2F730C #45AA11

Accessibility & contrast

On white

12.60

#183B06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#183B06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B06

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B06	#FFFFFF	#000000	##FFFFFF
##183B06	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3500

Deuteranopia (green-blind)

#39320C

Tritanopia (blue-blind)

#163931

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #183b06;
/* rgb */ color: rgb(24, 59, 6);
/* oklch */ color: oklch(31.4% 0.089 137.4);

Tailwind

colors: {
  custom: {
    50: '#59714b',
    500: '#183b06',
    950: '#000000',
  },
}

SCSS

$custom: #183b06;
$custom-light: #59714b;
$custom-dark: #000000;

JSON

{
  "hex": "#183b06",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 6
  },
  "hsl": {
    "h": 99.623,
    "s": 81.538,
    "l": 12.745
  },
  "oklch": {
    "l": 0.31409,
    "c": 0.08855,
    "h": 137.4
  },
  "luminance": 0.03335
}

Semantic roles & 50–950 ramp

primary

#183B06

secondary

#5D227B

accent

#30F8B4

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #183B06

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

Preview Lab → · Contrast checker → · Palette generator →