#178F28#178F28

#178F28 is a mid, vivid green. Relative luminance 0.200; OKLCH L 56.8% C 0.172 H 144.4°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#178F28
RGB	rgb(23, 143, 40)
HSL	hsl(129, 72%, 33%)
HSV	hsv(129, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 72%, 43.9%)
CIE-LAB	lab(51.81, -51.94, 43.86)
CIE-LCH	lch(51.81, 67.99, 139.82°)
OKLab	oklab(56.76% -0.1403 0.1003)
OKLCH	oklch(56.76% 0.172 144.4)
XYZ	xyz(10.5581, 19.9790, 5.3070)
Luminance	0.1998 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F28 #8F177E

analogous

#428F17 #178F28 #178F64

triadic

#178F28 #28178F #8F2817

tetradic

#178F28 #17428F #8F177E #8F6417

square

#178F28 #17428F #8F177E #8F6417

split-complementary

#178F28 #64178F #8F1742

monochromatic

#06260B #0F5A19 #178F28 #1FC437 #40E057

Accessibility & contrast

On white

4.20

#178F28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#178F28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F28

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F28	#FFFFFF	#000000	##000000
##178F28	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928118

Deuteranopia (green-blind)

#857832

Tritanopia (blue-blind)

#008B7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178f28;
/* rgb */ color: rgb(23, 143, 40);
/* oklch */ color: oklch(56.8% 0.172 144.4);

Tailwind

colors: {
  custom: {
    50: '#6db168',
    500: '#178f28',
    950: '#000000',
  },
}

SCSS

$custom: #178f28;
$custom-light: #6db168;
$custom-dark: #000000;

JSON

{
  "hex": "#178f28",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 40
  },
  "hsl": {
    "h": 128.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56756,
    "c": 0.1724,
    "h": 144.4
  },
  "luminance": 0.1998
}

Semantic roles & 50–950 ramp

primary

#178F28

secondary

#C141AF

accent

#39D5EF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178F28

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

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