#178B35#178B35

#178B35 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.158 H 146.8°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#178B35
RGB	rgb(23, 139, 53)
HSL	hsl(136, 72%, 32%)
HSV	hsv(136, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 61.9%, 45.5%)
CIE-LAB	lab(50.57, -49.13, 36.71)
CIE-LCH	lch(50.57, 61.33, 143.24°)
OKLab	oklab(55.76% -0.1321 0.0865)
OKLCH	oklch(55.76% 0.158 146.8)
XYZ	xyz(10.2278, 18.9032, 6.4771)
Luminance	0.1890 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B35 #8B176D

analogous

#338B17 #178B35 #178B6F

triadic

#178B35 #35178B #8B3517

tetradic

#178B35 #17338B #8B176D #8B6F17

square

#178B35 #17338B #8B176D #8B6F17

split-complementary

#178B35 #6F178B #8B1733

monochromatic

#06220D #0E5621 #178B35 #20C049 #3DDF67

Accessibility & contrast

On white

4.39

#178B35 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#178B35 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B35

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B35	#FFFFFF	#000000	##000000
##178B35	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E2C

Deuteranopia (green-blind)

#80753C

Tritanopia (blue-blind)

#008878

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b35;
/* rgb */ color: rgb(23, 139, 53);
/* oklch */ color: oklch(55.8% 0.158 146.8);

Tailwind

colors: {
  custom: {
    50: '#6bae6f',
    500: '#178b35',
    950: '#000000',
  },
}

SCSS

$custom: #178b35;
$custom-light: #6bae6f;
$custom-dark: #000000;

JSON

{
  "hex": "#178b35",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 53
  },
  "hsl": {
    "h": 135.517,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55764,
    "c": 0.1579,
    "h": 146.8
  },
  "luminance": 0.18904
}

Semantic roles & 50–950 ramp

primary

#178B35

secondary

#BF3F9E

accent

#39C0EE

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178B35

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

Preview Lab → · Contrast checker → · Palette generator →