#178F4B#178F4B

#178F4B is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.2% C 0.143 H 152.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#178F4B
RGB	rgb(23, 143, 75)
HSL	hsl(146, 72%, 33%)
HSV	hsv(146, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 47.6%, 43.9%)
CIE-LAB	lab(52.21, -47.12, 27.44)
CIE-LCH	lch(52.21, 54.52, 149.78°)
OKLab	oklab(57.22% -0.1265 0.0673)
OKLCH	oklch(57.22% 0.143 152)
XYZ	xyz(11.4448, 20.3337, 9.9768)
Luminance	0.2034 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F4B #8F175B

analogous

#1F8F17 #178F4B #178F87

triadic

#178F4B #4B178F #8F4B17

tetradic

#178F4B #171F8F #8F175B #8F8717

square

#178F4B #171F8F #8F175B #8F8717

split-complementary

#178F4B #87178F #8F171F

monochromatic

#062614 #0F5A2F #178F4B #1FC467 #40E086

Accessibility & contrast

On white

4.14

#178F4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#178F4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F4B

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F4B	#FFFFFF	#000000	##000000
##178F4B	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8246

Deuteranopia (green-blind)

#827950

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178f4b;
/* rgb */ color: rgb(23, 143, 75);
/* oklch */ color: oklch(57.2% 0.143 152.0);

Tailwind

colors: {
  custom: {
    50: '#6bb17e',
    500: '#178f4b',
    950: '#000000',
  },
}

SCSS

$custom: #178f4b;
$custom-light: #6bb17e;
$custom-dark: #000000;

JSON

{
  "hex": "#178f4b",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 75
  },
  "hsl": {
    "h": 146,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57216,
    "c": 0.14325,
    "h": 152
  },
  "luminance": 0.20335
}

Semantic roles & 50–950 ramp

primary

#178F4B

secondary

#C14189

accent

#39A0EF

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #178F4B

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

Preview Lab → · Contrast checker → · Palette generator →