#177B40#177B40

#177B40 is a mid, vivid green. Relative luminance 0.147; OKLCH L 51.4% C 0.127 H 151.7°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#177B40
RGB	rgb(23, 123, 64)
HSL	hsl(145, 68%, 29%)
HSV	hsv(145, 81%, 48%)
CMYK	cmyk(81.3%, 0%, 48%, 51.8%)
CIE-LAB	lab(45.24, -41.61, 24.53)
CIE-LCH	lch(45.24, 48.31, 149.48°)
OKLab	oklab(51.39% -0.1118 0.0602)
OKLCH	oklch(51.39% 0.127 151.7)
XYZ	xyz(8.3610, 14.7172, 7.2496)
Luminance	0.1472 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B40 #7B1752

analogous

#207B17 #177B40 #177B72

triadic

#177B40 #40177B #7B4017

tetradic

#177B40 #17207B #7B1752 #7B7217

square

#177B40 #17207B #7B1752 #7B7217

split-complementary

#177B40 #72177B #7B1720

monochromatic

#051A0D #0D4725 #177B40 #21AF5B #33D977

Accessibility & contrast

On white

5.33

#177B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#177B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B40

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B40	#FFFFFF	#000000	##FFFFFF
##177B40	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B703B

Deuteranopia (green-blind)

#706844

Tritanopia (blue-blind)

#00796D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #177b40;
/* rgb */ color: rgb(23, 123, 64);
/* oklch */ color: oklch(51.4% 0.127 151.7);

Tailwind

colors: {
  custom: {
    50: '#66a276',
    500: '#177b40',
    950: '#000000',
  },
}

SCSS

$custom: #177b40;
$custom-light: #66a276;
$custom-dark: #000000;

JSON

{
  "hex": "#177b40",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 64
  },
  "hsl": {
    "h": 144.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.51393,
    "c": 0.12696,
    "h": 151.7
  },
  "luminance": 0.14718
}

Semantic roles & 50–950 ramp

primary

#177B40

secondary

#B03E81

accent

#3CA4EB

background

#F6FAF7

surface

#EBF4ED

border

#C6CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #177B40

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

Preview Lab → · Contrast checker → · Palette generator →