#183F28#183F28

#183F28 is a dark, moderate green. Relative luminance 0.039; OKLCH L 33.2% C 0.061 H 155.2°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#183F28
RGB	rgb(24, 63, 40)
HSL	hsl(145, 45%, 17%)
HSV	hsv(145, 62%, 25%)
CMYK	cmyk(61.9%, 0%, 36.5%, 75.3%)
CIE-LAB	lab(23.35, -20.16, 10.05)
CIE-LCH	lch(23.35, 22.53, 153.51°)
OKLab	oklab(33.22% -0.0549 0.0254)
OKLCH	oklch(33.22% 0.061 155.2)
XYZ	xyz(2.5370, 3.9022, 2.6266)
Luminance	0.0390 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 8.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F28 #3F182F

analogous

#1C3F18 #183F28 #183F3C

triadic

#183F28 #28183F #3F2818

tetradic

#183F28 #181C3F #3F182F #3F3C18

square

#183F28 #181C3F #3F182F #3F3C18

split-complementary

#183F28 #3C183F #3F181C

monochromatic

#08160E #08160E #183F28 #296B44 #3A9860

Accessibility & contrast

On white

11.80

#183F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#183F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F28

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F28	#FFFFFF	#000000	##FFFFFF
##183F28	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3A27

Deuteranopia (green-blind)

#393629

Tritanopia (blue-blind)

#0D3E39

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183f28;
/* rgb */ color: rgb(24, 63, 40);
/* oklch */ color: oklch(33.2% 0.061 155.2);

Tailwind

colors: {
  custom: {
    50: '#597462',
    500: '#183f28',
    950: '#000000',
  },
}

SCSS

$custom: #183f28;
$custom-light: #597462;
$custom-dark: #000000;

JSON

{
  "hex": "#183f28",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 144.615,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33217,
    "c": 0.06051,
    "h": 155.2
  },
  "luminance": 0.03902
}

Semantic roles & 50–950 ramp

primary

#183F28

secondary

#753D5E

accent

#53A0D5

background

#F5F7F5

surface

#E9EDEA

border

#C5C8C6

text

#040805

muted

#797B79

Preview Lab

Preview with #183F28

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

Preview Lab → · Contrast checker → · Palette generator →