#178521#178521

#178521 is a mid, vivid green. Relative luminance 0.171; OKLCH L 53.9% C 0.165 H 143.8°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#178521
RGB	rgb(23, 133, 33)
HSL	hsl(125, 71%, 31%)
HSV	hsv(125, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 75.2%, 47.8%)
CIE-LAB	lab(48.34, -49.32, 43.05)
CIE-LCH	lch(48.34, 65.47, 138.88°)
OKLab	oklab(53.85% -0.1334 0.0977)
OKLCH	oklch(53.85% 0.165 143.8)
XYZ	xyz(9.0148, 17.0659, 4.2575)
Luminance	0.1707 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178521 #85177B

analogous

#448517 #178521 #178558

triadic

#178521 #211785 #852117

tetradic

#178521 #174485 #85177B #855817

square

#178521 #174485 #85177B #855817

split-complementary

#178521 #581785 #851744

monochromatic

#051D07 #0E5114 #178521 #20B92E #3ADD48

Accessibility & contrast

On white

4.76

#178521 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#178521 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178521

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178521	#FFFFFF	#000000	##FFFFFF
##178521	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#88780F

Deuteranopia (green-blind)

#7C702C

Tritanopia (blue-blind)

#008172

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #178521;
/* rgb */ color: rgb(23, 133, 33);
/* oklch */ color: oklch(53.9% 0.165 143.8);

Tailwind

colors: {
  custom: {
    50: '#6baa63',
    500: '#178521',
    950: '#000000',
  },
}

SCSS

$custom: #178521;
$custom-light: #6baa63;
$custom-dark: #000000;

JSON

{
  "hex": "#178521",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 33
  },
  "hsl": {
    "h": 125.455,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53853,
    "c": 0.16533,
    "h": 143.8
  },
  "luminance": 0.17067
}

Semantic roles & 50–950 ramp

primary

#178521

secondary

#B93FAE

accent

#3BDDED

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178521

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

Preview Lab → · Contrast checker → · Palette generator →