#177A40#177A40

#177A40 is a mid, vivid green. Relative luminance 0.145; OKLCH L 51.1% C 0.126 H 151.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#177A40
RGB	rgb(23, 122, 64)
HSL	hsl(145, 68%, 28%)
HSV	hsv(145, 81%, 48%)
CMYK	cmyk(81.1%, 0%, 47.5%, 52.2%)
CIE-LAB	lab(44.90, -41.23, 24.09)
CIE-LCH	lch(44.90, 47.75, 149.70°)
OKLab	oklab(51.11% -0.1108 0.0592)
OKLCH	oklch(51.11% 0.126 151.9)
XYZ	xyz(8.2376, 14.4704, 7.2084)
Luminance	0.1447 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177A40 #7A1751

analogous

#207A17 #177A40 #177A71

triadic

#177A40 #40177A #7A4017

tetradic

#177A40 #17207A #7A1751 #7A7117

square

#177A40 #17207A #7A1751 #7A7117

split-complementary

#177A40 #71177A #7A1720

monochromatic

#051A0E #0D4725 #177A40 #21AD5B #33D977

Accessibility & contrast

On white

5.39

#177A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#177A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177A40

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177A40	#FFFFFF	#000000	##FFFFFF
##177A40	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6F3C

Deuteranopia (green-blind)

#6F6744

Tritanopia (blue-blind)

#00786C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #177a40;
/* rgb */ color: rgb(23, 122, 64);
/* oklch */ color: oklch(51.1% 0.126 151.9);

Tailwind

colors: {
  custom: {
    50: '#66a176',
    500: '#177a40',
    950: '#000000',
  },
}

SCSS

$custom: #177a40;
$custom-light: #66a176;
$custom-dark: #000000;

JSON

{
  "hex": "#177a40",
  "rgb": {
    "r": 23,
    "g": 122,
    "b": 64
  },
  "hsl": {
    "h": 144.848,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.51108,
    "c": 0.12559,
    "h": 151.9
  },
  "luminance": 0.14471
}

Semantic roles & 50–950 ramp

primary

#177A40

secondary

#AF3E80

accent

#3DA3EB

background

#F6FAF7

surface

#EBF3ED

border

#C6CDC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #177A40

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

Preview Lab → · Contrast checker → · Palette generator →