#175A21#175A21

#175A21 is a dark, moderate green. Relative luminance 0.076; OKLCH L 41.2% C 0.111 H 145.6°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#175A21
RGB	rgb(23, 90, 33)
HSL	hsl(129, 59%, 22%)
HSV	hsv(129, 74%, 35%)
CMYK	cmyk(74.4%, 0%, 63.3%, 64.7%)
CIE-LAB	lab(33.14, -33.89, 26.55)
CIE-LCH	lch(33.14, 43.05, 141.93°)
OKLab	oklab(41.24% -0.0915 0.0627)
OKLCH	oklch(41.24% 0.111 145.6)
XYZ	xyz(4.2837, 7.6038, 2.6805)
Luminance	0.0760 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A21 #5A1750

analogous

#2F5A17 #175A21 #175A43

triadic

#175A21 #21175A #5A2117

tetradic

#175A21 #172F5A #5A1750 #5A4317

square

#175A21 #172F5A #5A1750 #5A4317

split-complementary

#175A21 #43175A #5A172F

monochromatic

#061809 #0B290F #175A21 #238B33 #30BB45

Accessibility & contrast

On white

8.33

#175A21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#175A21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A21

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A21	#FFFFFF	#000000	##FFFFFF
##175A21	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511B

Deuteranopia (green-blind)

#544C26

Tritanopia (blue-blind)

#01584E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #175a21;
/* rgb */ color: rgb(23, 90, 33);
/* oklch */ color: oklch(41.2% 0.111 145.6);

Tailwind

colors: {
  custom: {
    50: '#5f895e',
    500: '#175a21',
    950: '#000000',
  },
}

SCSS

$custom: #175a21;
$custom-light: #5f895e;
$custom-dark: #000000;

JSON

{
  "hex": "#175a21",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 33
  },
  "hsl": {
    "h": 128.955,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.41236,
    "c": 0.11096,
    "h": 145.6
  },
  "luminance": 0.07604
}

Semantic roles & 50–950 ramp

primary

#175A21

secondary

#913C84

accent

#45CBE2

background

#F5F8F5

surface

#EAF0E9

border

#C6CBC5

text

#050C04

muted

#797D79

Preview Lab

Preview with #175A21

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

Preview Lab → · Contrast checker → · Palette generator →