#178333#178333

#178333 is a mid, vivid green. Relative luminance 0.167; OKLCH L 53.5% C 0.150 H 147.0°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#178333
RGB	rgb(23, 131, 51)
HSL	hsl(136, 70%, 30%)
HSV	hsv(136, 82%, 51%)
CMYK	cmyk(82.4%, 0%, 61.1%, 48.6%)
CIE-LAB	lab(47.82, -46.63, 34.49)
CIE-LCH	lch(47.82, 58.00, 143.51°)
OKLab	oklab(53.47% -0.1254 0.0815)
OKLCH	oklch(53.47% 0.15 147)
XYZ	xyz(9.0665, 16.6527, 5.8678)
Luminance	0.1665 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178333 #831767

analogous

#318317 #178333 #178369

triadic

#178333 #331783 #833317

tetradic

#178333 #173183 #831767 #836917

square

#178333 #173183 #831767 #836917

split-complementary

#178333 #691783 #831731

monochromatic

#051B0A #0E4F1F #178333 #20B747 #38DC63

Accessibility & contrast

On white

4.85

#178333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#178333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178333

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178333	#FFFFFF	#000000	##FFFFFF
##178333	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85762B

Deuteranopia (green-blind)

#796E3A

Tritanopia (blue-blind)

#008072

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #178333;
/* rgb */ color: rgb(23, 131, 51);
/* oklch */ color: oklch(53.5% 0.150 147.0);

Tailwind

colors: {
  custom: {
    50: '#69a86d',
    500: '#178333',
    950: '#000000',
  },
}

SCSS

$custom: #178333;
$custom-light: #69a86d;
$custom-dark: #000000;

JSON

{
  "hex": "#178333",
  "rgb": {
    "r": 23,
    "g": 131,
    "b": 51
  },
  "hsl": {
    "h": 135.556,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.5347,
    "c": 0.14956,
    "h": 147
  },
  "luminance": 0.16654
}

Semantic roles & 50–950 ramp

primary

#178333

secondary

#B73F98

accent

#3BBFED

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#071007

muted

#7A7F7A

Preview Lab

Preview with #178333

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

Preview Lab → · Contrast checker → · Palette generator →