#183F23#183F23

#183F23 is a dark, moderate green. Relative luminance 0.039; OKLCH L 33.1% C 0.066 H 150.5°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#183F23
RGB	rgb(24, 63, 35)
HSL	hsl(137, 45%, 17%)
HSV	hsv(137, 62%, 25%)
CMYK	cmyk(61.9%, 0%, 44.4%, 75.3%)
CIE-LAB	lab(23.24, -21.28, 13.12)
CIE-LCH	lch(23.24, 25.00, 148.35°)
OKLab	oklab(33.09% -0.0577 0.0326)
OKLCH	oklch(33.09% 0.066 150.5)
XYZ	xyz(2.4574, 3.8703, 2.2073)
Luminance	0.0387 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F23 #3F1834

analogous

#213F18 #183F23 #183F37

triadic

#183F23 #23183F #3F2318

tetradic

#183F23 #18213F #3F1834 #3F3718

square

#183F23 #18213F #3F1834 #3F3718

split-complementary

#183F23 #37183F #3F1821

monochromatic

#08160C #08160C #183F23 #296B3C #3A9854

Accessibility & contrast

On white

11.84

#183F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F23

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F23	#FFFFFF	#000000	##FFFFFF
##183F23	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3A21

Deuteranopia (green-blind)

#3A3625

Tritanopia (blue-blind)

#0F3E38

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183f23;
/* rgb */ color: rgb(24, 63, 35);
/* oklch */ color: oklch(33.1% 0.066 150.5);

Tailwind

colors: {
  custom: {
    50: '#59745e',
    500: '#183f23',
    950: '#000000',
  },
}

SCSS

$custom: #183f23;
$custom-light: #59745e;
$custom-dark: #000000;

JSON

{
  "hex": "#183f23",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 35
  },
  "hsl": {
    "h": 136.923,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33094,
    "c": 0.06629,
    "h": 150.5
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#183F23

secondary

#753D66

accent

#53B0D5

background

#F5F7F5

surface

#E9EDE9

border

#C5C8C5

text

#040804

muted

#797B79

Preview Lab

Preview with #183F23

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

Preview Lab → · Contrast checker → · Palette generator →