#178A27#178A27

#178A27 is a mid, vivid green. Relative luminance 0.185; OKLCH L 55.3% C 0.167 H 144.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#178A27
RGB	rgb(23, 138, 39)
HSL	hsl(128, 71%, 32%)
HSV	hsv(128, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 71.7%, 45.9%)
CIE-LAB	lab(50.10, -50.41, 42.47)
CIE-LCH	lch(50.10, 65.92, 139.88°)
OKLab	oklab(55.33% -0.1361 0.0972)
OKLCH	oklch(55.33% 0.167 144.5)
XYZ	xyz(9.8074, 18.5044, 4.9739)
Luminance	0.1851 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A27 #8A177A

analogous

#418A17 #178A27 #178A61

triadic

#178A27 #27178A #8A2717

tetradic

#178A27 #17418A #8A177A #8A6117

square

#178A27 #17418A #8A177A #8A6117

split-complementary

#178A27 #61178A #8A1741

monochromatic

#062109 #0E5618 #178A27 #20BE36 #3DDF53

Accessibility & contrast

On white

4.47

#178A27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#178A27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A27

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A27	#FFFFFF	#000000	##000000
##178A27	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C18

Deuteranopia (green-blind)

#807431

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178a27;
/* rgb */ color: rgb(23, 138, 39);
/* oklch */ color: oklch(55.3% 0.167 144.5);

Tailwind

colors: {
  custom: {
    50: '#6cad67',
    500: '#178a27',
    950: '#000000',
  },
}

SCSS

$custom: #178a27;
$custom-light: #6cad67;
$custom-dark: #000000;

JSON

{
  "hex": "#178a27",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 39
  },
  "hsl": {
    "h": 128.348,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.5533,
    "c": 0.16726,
    "h": 144.5
  },
  "luminance": 0.18506
}

Semantic roles & 50–950 ramp

primary

#178A27

secondary

#BE3FAC

accent

#3AD5EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178A27

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

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