#175B21#175B21

#175B21 is a dark, moderate green. Relative luminance 0.078; OKLCH L 41.5% C 0.112 H 145.5°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#175B21
RGB	rgb(23, 91, 33)
HSL	hsl(129, 60%, 22%)
HSV	hsv(129, 75%, 36%)
CMYK	cmyk(74.7%, 0%, 63.7%, 64.3%)
CIE-LAB	lab(33.51, -34.29, 26.97)
CIE-LCH	lch(33.51, 43.62, 141.81°)
OKLab	oklab(41.54% -0.0926 0.0637)
OKLCH	oklch(41.54% 0.112 145.5)
XYZ	xyz(4.3687, 7.7737, 2.7088)
Luminance	0.0777 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175B21 #5B1751

analogous

#2F5B17 #175B21 #175B43

triadic

#175B21 #21175B #5B2117

tetradic

#175B21 #172F5B #5B1751 #5B4317

square

#175B21 #172F5B #5B1751 #5B4317

split-complementary

#175B21 #43175B #5B172F

monochromatic

#061809 #0B2A0F #175B21 #238C33 #30BD44

Accessibility & contrast

On white

8.22

#175B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#175B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B21

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175B21	#FFFFFF	#000000	##FFFFFF
##175B21	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D521B

Deuteranopia (green-blind)

#544D26

Tritanopia (blue-blind)

#00594E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #175b21;
/* rgb */ color: rgb(23, 91, 33);
/* oklch */ color: oklch(41.5% 0.112 145.5);

Tailwind

colors: {
  custom: {
    50: '#5f8a5e',
    500: '#175b21',
    950: '#000000',
  },
}

SCSS

$custom: #175b21;
$custom-light: #5f8a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#175b21",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 33
  },
  "hsl": {
    "h": 128.824,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41537,
    "c": 0.11237,
    "h": 145.5
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#175B21

secondary

#923C85

accent

#45CCE3

background

#F5F8F5

surface

#EAF0E9

border

#C6CBC5

text

#050C04

muted

#797D79

Preview Lab

Preview with #175B21

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

Preview Lab → · Contrast checker → · Palette generator →