#178439#178439

#178439 is a mid, vivid green. Relative luminance 0.170; OKLCH L 53.8% C 0.146 H 148.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#178439
RGB	rgb(23, 132, 57)
HSL	hsl(139, 70%, 30%)
HSV	hsv(139, 83%, 52%)
CMYK	cmyk(82.6%, 0%, 56.8%, 48.2%)
CIE-LAB	lab(48.23, -46.12, 31.97)
CIE-LCH	lch(48.23, 56.11, 145.27°)
OKLab	oklab(53.84% -0.1239 0.0765)
OKLCH	oklch(53.84% 0.146 148.3)
XYZ	xyz(9.3424, 16.9790, 6.6550)
Luminance	0.1698 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178439 #841762

analogous

#2B8417 #178439 #178470

triadic

#178439 #391784 #843917

tetradic

#178439 #172B84 #841762 #847017

square

#178439 #172B84 #841762 #847017

split-complementary

#178439 #701784 #84172B

monochromatic

#051C0C #0E5022 #178439 #20B850 #39DC6C

Accessibility & contrast

On white

4.78

#178439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#178439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178439

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178439	#FFFFFF	#000000	##FFFFFF
##178439	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857832

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#008173

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #178439;
/* rgb */ color: rgb(23, 132, 57);
/* oklch */ color: oklch(53.8% 0.146 148.3);

Tailwind

colors: {
  custom: {
    50: '#69a971',
    500: '#178439',
    950: '#000000',
  },
}

SCSS

$custom: #178439;
$custom-light: #69a971;
$custom-dark: #000000;

JSON

{
  "hex": "#178439",
  "rgb": {
    "r": 23,
    "g": 132,
    "b": 57
  },
  "hsl": {
    "h": 138.716,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.53837,
    "c": 0.14557,
    "h": 148.3
  },
  "luminance": 0.1698
}

Semantic roles & 50–950 ramp

primary

#178439

secondary

#B83F92

accent

#3BB5ED

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #178439

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

Preview Lab → · Contrast checker → · Palette generator →