#18633B#18633B

#18633B is a dark, moderate green. Relative luminance 0.094; OKLCH L 44.4% C 0.097 H 155.1°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#18633B
RGB	rgb(24, 99, 59)
HSL	hsl(148, 61%, 24%)
HSV	hsv(148, 76%, 39%)
CMYK	cmyk(75.8%, 0%, 40.4%, 61.2%)
CIE-LAB	lab(36.80, -32.73, 16.40)
CIE-LCH	lch(36.80, 36.61, 153.39°)
OKLab	oklab(44.4% -0.0884 0.041)
OKLCH	oklch(44.4% 0.097 155.1)
XYZ	xyz(5.6274, 9.4330, 5.6610)
Luminance	0.0943 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18633B #631840

analogous

#1B6318 #18633B #186361

triadic

#18633B #3B1863 #633B18

tetradic

#18633B #181B63 #631840 #636118

square

#18633B #181B63 #631840 #636118

split-complementary

#18633B #611863 #63181B

monochromatic

#06190F #0C321E #18633B #249458 #30C676

Accessibility & contrast

On white

7.27

#18633B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#18633B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18633B

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18633B	#FFFFFF	#000000	##FFFFFF
##18633B	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#59543E

Tritanopia (blue-blind)

#006259

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #18633b;
/* rgb */ color: rgb(24, 99, 59);
/* oklch */ color: oklch(44.4% 0.097 155.1);

Tailwind

colors: {
  custom: {
    50: '#619071',
    500: '#18633b',
    950: '#000000',
  },
}

SCSS

$custom: #18633b;
$custom-light: #619071;
$custom-dark: #000000;

JSON

{
  "hex": "#18633b",
  "rgb": {
    "r": 24,
    "g": 99,
    "b": 59
  },
  "hsl": {
    "h": 148,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.44401,
    "c": 0.09746,
    "h": 155.1
  },
  "luminance": 0.09434
}

Semantic roles & 50–950 ramp

primary

#18633B

secondary

#993E6E

accent

#4499E4

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#050C07

muted

#7A7D7A

Preview Lab

Preview with #18633B

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

Preview Lab → · Contrast checker → · Palette generator →