#183E21#183E21

#183E21 is a dark, moderate green. Relative luminance 0.037; OKLCH L 32.7% C 0.067 H 149.2°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#183E21
RGB	rgb(24, 62, 33)
HSL	hsl(134, 44%, 17%)
HSV	hsv(134, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 46.8%, 75.7%)
CIE-LAB	lab(22.82, -21.19, 13.84)
CIE-LCH	lch(22.82, 25.31, 146.85°)
OKLab	oklab(32.74% -0.0574 0.0343)
OKLCH	oklch(32.74% 0.067 149.2)
XYZ	xyz(2.3737, 3.7490, 2.0371)
Luminance	0.0375 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 6.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E21 #3E1835

analogous

#223E18 #183E21 #183E34

triadic

#183E21 #21183E #3E2118

tetradic

#183E21 #18223E #3E1835 #3E3418

square

#183E21 #18223E #3E1835 #3E3418

split-complementary

#183E21 #34183E #3E1822

monochromatic

#09160C #09160C #183E21 #296A38 #3A9650

Accessibility & contrast

On white

12.00

#183E21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183E21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E21

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E21	#FFFFFF	#000000	##FFFFFF
##183E21	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F391F

Deuteranopia (green-blind)

#393523

Tritanopia (blue-blind)

#103D37

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183e21;
/* rgb */ color: rgb(24, 62, 33);
/* oklch */ color: oklch(32.7% 0.067 149.2);

Tailwind

colors: {
  custom: {
    50: '#59735c',
    500: '#183e21',
    950: '#000000',
  },
}

SCSS

$custom: #183e21;
$custom-light: #59735c;
$custom-dark: #000000;

JSON

{
  "hex": "#183e21",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 33
  },
  "hsl": {
    "h": 134.211,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32741,
    "c": 0.06689,
    "h": 149.2
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary

#183E21

secondary

#743D67

accent

#54B6D4

background

#F5F7F5

surface

#E9EDE9

border

#C5C8C5

text

#040804

muted

#797B79

Preview Lab

Preview with #183E21

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

Preview Lab → · Contrast checker → · Palette generator →