#178E39#178E39

#178E39 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.7% C 0.158 H 147.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#178E39
RGB	rgb(23, 142, 57)
HSL	hsl(137, 72%, 32%)
HSV	hsv(137, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 59.9%, 44.3%)
CIE-LAB	lab(51.64, -49.63, 36.00)
CIE-LCH	lch(51.64, 61.31, 144.04°)
OKLab	oklab(56.66% -0.1333 0.0853)
OKLCH	oklch(56.66% 0.158 147.4)
XYZ	xyz(10.7640, 19.8222, 7.1289)
Luminance	0.1982 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E39 #8E176C

analogous

#308E17 #178E39 #178E75

triadic

#178E39 #39178E #8E3917

tetradic

#178E39 #17308E #8E176C #8E7517

square

#178E39 #17308E #8E176C #8E7517

split-complementary

#178E39 #75178E #8E1730

monochromatic

#06250F #0E5924 #178E39 #20C34E #3FE06D

Accessibility & contrast

On white

4.23

#178E39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#178E39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E39

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E39	#FFFFFF	#000000	##000000
##178E39	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908130

Deuteranopia (green-blind)

#837840

Tritanopia (blue-blind)

#008B7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178e39;
/* rgb */ color: rgb(23, 142, 57);
/* oklch */ color: oklch(56.7% 0.158 147.4);

Tailwind

colors: {
  custom: {
    50: '#6cb072',
    500: '#178e39',
    950: '#000000',
  },
}

SCSS

$custom: #178e39;
$custom-light: #6cb072;
$custom-dark: #000000;

JSON

{
  "hex": "#178e39",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 57
  },
  "hsl": {
    "h": 137.143,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5666,
    "c": 0.15829,
    "h": 147.4
  },
  "luminance": 0.19824
}

Semantic roles & 50–950 ramp

primary

#178E39

secondary

#C0409C

accent

#39BBEF

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178E39

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

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