#177B18#177B18

#177B18 is a mid, vivid green. Relative luminance 0.144; OKLCH L 50.9% C 0.159 H 142.9°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#177B18
RGB	rgb(23, 123, 24)
HSL	hsl(121, 68%, 29%)
HSV	hsv(121, 81%, 48%)
CMYK	cmyk(81.3%, 0%, 80.5%, 51.8%)
CIE-LAB	lab(44.82, -46.74, 42.85)
CIE-LCH	lch(44.82, 63.41, 137.49°)
OKLab	oklab(50.9% -0.1268 0.096)
OKLCH	oklch(50.9% 0.159 142.9)
XYZ	xyz(7.6007, 14.4131, 3.2454)
Luminance	0.1441 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B18 #7B177A

analogous

#487B17 #177B18 #177B4A

triadic

#177B18 #18177B #7B1817

tetradic

#177B18 #17487B #7B177A #7B4A17

square

#177B18 #17487B #7B177A #7B4A17

split-complementary

#177B18 #4A177B #7B1748

monochromatic

#051A05 #0D470E #177B18 #21AF22 #33D935

Accessibility & contrast

On white

5.41

#177B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#177B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B18

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B18	#FFFFFF	#000000	##FFFFFF
##177B18	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F00

Deuteranopia (green-blind)

#736724

Tritanopia (blue-blind)

#007768

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #177b18;
/* rgb */ color: rgb(23, 123, 24);
/* oklch */ color: oklch(50.9% 0.159 142.9);

Tailwind

colors: {
  custom: {
    50: '#68a25d',
    500: '#177b18',
    950: '#000000',
  },
}

SCSS

$custom: #177b18;
$custom-light: #68a25d;
$custom-dark: #000000;

JSON

{
  "hex": "#177b18",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 24
  },
  "hsl": {
    "h": 120.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.50903,
    "c": 0.15903,
    "h": 142.9
  },
  "luminance": 0.14414
}

Semantic roles & 50–950 ramp

primary

#177B18

secondary

#B03EAF

accent

#3CEAEB

background

#F6FAF5

surface

#ECF4E9

border

#C7CEC5

text

#070F05

muted

#7A7F79

Preview Lab

Preview with #177B18

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

Preview Lab → · Contrast checker → · Palette generator →