#1B663F#1B663F

#1B663F is a mid, moderate green. Relative luminance 0.101; OKLCH L 45.4% C 0.097 H 156.0°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B663F
RGB	rgb(27, 102, 63)
HSL	hsl(149, 58%, 25%)
HSV	hsv(149, 74%, 40%)
CMYK	cmyk(73.5%, 0%, 38.2%, 60%)
CIE-LAB	lab(38.01, -32.62, 15.65)
CIE-LCH	lch(38.01, 36.18, 154.37°)
OKLab	oklab(45.44% -0.0883 0.0393)
OKLCH	oklch(45.44% 0.097 156)
XYZ	xyz(6.1000, 10.0940, 6.3285)
Luminance	0.1009 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B663F #661B42

analogous

#1C661B #1B663F #1B6664

triadic

#1B663F #3F1B66 #663F1B

tetradic

#1B663F #1B1C66 #661B42 #66641B

square

#1B663F #1B1C66 #661B42 #66641B

split-complementary

#1B663F #641B66 #661B1C

monochromatic

#06180F #0E3621 #1B663F #28965D #35C77B

Accessibility & contrast

On white

6.96

#1B663F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1B663F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B663F

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B663F	#FFFFFF	#000000	##FFFFFF
##1B663F	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D3C

Deuteranopia (green-blind)

#5C5742

Tritanopia (blue-blind)

#00655C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b663f;
/* rgb */ color: rgb(27, 102, 63);
/* oklch */ color: oklch(45.4% 0.097 156.0);

Tailwind

colors: {
  custom: {
    50: '#639274',
    500: '#1b663f',
    950: '#000000',
  },
}

SCSS

$custom: #1b663f;
$custom-light: #639274;
$custom-dark: #000000;

JSON

{
  "hex": "#1b663f",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 63
  },
  "hsl": {
    "h": 148.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.4544,
    "c": 0.09663,
    "h": 156
  },
  "luminance": 0.10095
}

Semantic roles & 50–950 ramp

primary

#1B663F

secondary

#9B4170

accent

#4697E1

background

#F6F9F7

surface

#EBF1ED

border

#C6CBC8

text

#060D08

muted

#7A7E7B

Preview Lab

Preview with #1B663F

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

Preview Lab → · Contrast checker → · Palette generator →