#178F39#178F39

#178F39 is a mid, vivid green. Relative luminance 0.201; OKLCH L 56.9% C 0.160 H 147.3°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#178F39
RGB	rgb(23, 143, 57)
HSL	hsl(137, 72%, 33%)
HSV	hsv(137, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 60.1%, 43.9%)
CIE-LAB	lab(51.97, -49.97, 36.40)
CIE-LCH	lch(51.97, 61.82, 143.93°)
OKLab	oklab(56.94% -0.1343 0.0862)
OKLCH	oklch(56.94% 0.16 147.3)
XYZ	xyz(10.9135, 20.1211, 7.1787)
Luminance	0.2012 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F39 #8F176D

analogous

#318F17 #178F39 #178F75

triadic

#178F39 #39178F #8F3917

tetradic

#178F39 #17318F #8F176D #8F7517

square

#178F39 #17318F #8F176D #8F7517

split-complementary

#178F39 #75178F #8F1731

monochromatic

#06260F #0F5A24 #178F39 #1FC44E #40E06D

Accessibility & contrast

On white

4.18

#178F39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#178F39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F39

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F39	#FFFFFF	#000000	##000000
##178F39	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918130

Deuteranopia (green-blind)

#847840

Tritanopia (blue-blind)

#008C7C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178f39;
/* rgb */ color: rgb(23, 143, 57);
/* oklch */ color: oklch(56.9% 0.160 147.3);

Tailwind

colors: {
  custom: {
    50: '#6cb172',
    500: '#178f39',
    950: '#000000',
  },
}

SCSS

$custom: #178f39;
$custom-light: #6cb172;
$custom-dark: #000000;

JSON

{
  "hex": "#178f39",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 57
  },
  "hsl": {
    "h": 137,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56941,
    "c": 0.15953,
    "h": 147.3
  },
  "luminance": 0.20122
}

Semantic roles & 50–950 ramp

primary

#178F39

secondary

#C1419D

accent

#39BBEF

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #178F39

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

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