#178131#178131

#178131 is a mid, vivid green. Relative luminance 0.161; OKLCH L 52.9% C 0.149 H 146.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#178131
RGB	rgb(23, 129, 49)
HSL	hsl(135, 70%, 30%)
HSV	hsv(135, 82%, 51%)
CMYK	cmyk(82.2%, 0%, 62%, 49.4%)
CIE-LAB	lab(47.11, -46.20, 34.65)
CIE-LCH	lch(47.11, 57.74, 143.13°)
OKLab	oklab(52.87% -0.1243 0.0817)
OKLCH	oklch(52.87% 0.149 146.7)
XYZ	xyz(8.7573, 16.1034, 5.5519)
Luminance	0.1610 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178131 #811767

analogous

#328117 #178131 #178166

triadic

#178131 #311781 #813117

tetradic

#178131 #173281 #811767 #816617

square

#178131 #173281 #811767 #816617

split-complementary

#178131 #661781 #811732

monochromatic

#051A0A #0E4D1D #178131 #20B545 #37DB5F

Accessibility & contrast

On white

4.98

#178131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#178131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178131

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178131	#FFFFFF	#000000	##FFFFFF
##178131	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837529

Deuteranopia (green-blind)

#776D38

Tritanopia (blue-blind)

#007E70

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #178131;
/* rgb */ color: rgb(23, 129, 49);
/* oklch */ color: oklch(52.9% 0.149 146.7);

Tailwind

colors: {
  custom: {
    50: '#69a76c',
    500: '#178131',
    950: '#000000',
  },
}

SCSS

$custom: #178131;
$custom-light: #69a76c;
$custom-dark: #000000;

JSON

{
  "hex": "#178131",
  "rgb": {
    "r": 23,
    "g": 129,
    "b": 49
  },
  "hsl": {
    "h": 134.717,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.52874,
    "c": 0.14872,
    "h": 146.7
  },
  "luminance": 0.16104
}

Semantic roles & 50–950 ramp

primary

#178131

secondary

#B53E98

accent

#3BC1ED

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#070F07

muted

#7A7F7A

Preview Lab

Preview with #178131

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

Preview Lab → · Contrast checker → · Palette generator →