#178F4F#178F4F

#178F4F is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.3% C 0.139 H 153.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#178F4F
RGB	rgb(23, 143, 79)
HSL	hsl(148, 72%, 33%)
HSV	hsv(148, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 44.8%, 43.9%)
CIE-LAB	lab(52.28, -46.38, 25.36)
CIE-LCH	lch(52.28, 52.86, 151.33°)
OKLab	oklab(57.29% -0.1246 0.0626)
OKLCH	oklch(57.29% 0.139 153.3)
XYZ	xyz(11.5860, 20.3901, 10.7207)
Luminance	0.2039 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F4F #8F1757

analogous

#1B8F17 #178F4F #178F8B

triadic

#178F4F #4F178F #8F4F17

tetradic

#178F4F #171B8F #8F1757 #8F8B17

square

#178F4F #171B8F #8F1757 #8F8B17

split-complementary

#178F4F #8B178F #8F171B

monochromatic

#062615 #0F5A32 #178F4F #1FC46C #40E08B

Accessibility & contrast

On white

4.14

#178F4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#178F4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F4F

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F4F	#FFFFFF	#000000	##000000
##178F4F	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F824A

Deuteranopia (green-blind)

#827953

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178f4f;
/* rgb */ color: rgb(23, 143, 79);
/* oklch */ color: oklch(57.3% 0.139 153.3);

Tailwind

colors: {
  custom: {
    50: '#6bb181',
    500: '#178f4f',
    950: '#000000',
  },
}

SCSS

$custom: #178f4f;
$custom-light: #6bb181;
$custom-dark: #000000;

JSON

{
  "hex": "#178f4f",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 79
  },
  "hsl": {
    "h": 148,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57289,
    "c": 0.13945,
    "h": 153.3
  },
  "luminance": 0.20392
}

Semantic roles & 50–950 ramp

primary

#178F4F

secondary

#C14185

accent

#399AEF

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #178F4F

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

Preview Lab → · Contrast checker → · Palette generator →