#172B01#172B01

#172B01 is a dark, moderate yellow-green. Relative luminance 0.019; OKLCH L 26.2% C 0.071 H 131.7°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#172B01
RGB	rgb(23, 43, 1)
HSL	hsl(89, 95%, 9%)
HSV	hsv(89, 98%, 17%)
CMYK	cmyk(46.5%, 0%, 97.7%, 83.1%)
CIE-LAB	lab(15.02, -16.54, 21.13)
CIE-LCH	lch(15.02, 26.83, 128.07°)
OKLab	oklab(26.19% -0.0471 0.0528)
OKLCH	oklch(26.19% 0.071 131.7)
XYZ	xyz(1.2227, 1.9120, 0.3333)
Luminance	0.0191 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B01 #15012B

analogous

#2B2A01 #172B01 #022B01

triadic

#172B01 #01172B #2B0117

tetradic

#172B01 #012B2A #15012B #2B0102

square

#172B01 #012B2A #15012B #2B0102

split-complementary

#172B01 #01022B #2A012B

monochromatic

#101E01 #101E01 #172B01 #376702 #57A304

Accessibility & contrast

On white

15.19

#172B01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#172B01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B01

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B01	#FFFFFF	#000000	##FFFFFF
##172B01	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2700

Deuteranopia (green-blind)

#2B2504

Tritanopia (blue-blind)

#182923

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #172b01;
/* rgb */ color: rgb(23, 43, 1);
/* oklch */ color: oklch(26.2% 0.071 131.7);

Tailwind

colors: {
  custom: {
    50: '#556447',
    500: '#172b01',
    950: '#000000',
  },
}

SCSS

$custom: #172b01;
$custom-light: #556447;
$custom-dark: #000000;

JSON

{
  "hex": "#172b01",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 1
  },
  "hsl": {
    "h": 88.571,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.26188,
    "c": 0.07075,
    "h": 131.7
  },
  "luminance": 0.01912
}

Semantic roles & 50–950 ramp

primary

#172B01

secondary

#421771

accent

#29FF8F

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#030500

muted

#787A77

Preview Lab

Preview with #172B01

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

Preview Lab → · Contrast checker → · Palette generator →