#1B663C#1B663C

#1B663C is a mid, moderate green. Relative luminance 0.101; OKLCH L 45.4% C 0.100 H 154.3°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B663C
RGB	rgb(27, 102, 60)
HSL	hsl(146, 58%, 25%)
HSV	hsv(146, 74%, 40%)
CMYK	cmyk(73.5%, 0%, 41.2%, 60%)
CIE-LAB	lab(37.95, -33.26, 17.34)
CIE-LCH	lch(37.95, 37.51, 152.46°)
OKLab	oklab(45.37% -0.0898 0.0433)
OKLCH	oklch(45.37% 0.1 154.3)
XYZ	xyz(6.0184, 10.0613, 5.8989)
Luminance	0.1006 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B663C #661B45

analogous

#1F661B #1B663C #1B6661

triadic

#1B663C #3C1B66 #663C1B

tetradic

#1B663C #1B1F66 #661B45 #66611B

square

#1B663C #1B1F66 #661B45 #66611B

split-complementary

#1B663C #611B66 #661B1F

monochromatic

#06180E #0E3620 #1B663C #289658 #35C775

Accessibility & contrast

On white

6.97

#1B663C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1B663C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B663C

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B663C	#FFFFFF	#000000	##FFFFFF
##1B663C	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D39

Deuteranopia (green-blind)

#5C573F

Tritanopia (blue-blind)

#00655B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b663c;
/* rgb */ color: rgb(27, 102, 60);
/* oklch */ color: oklch(45.4% 0.100 154.3);

Tailwind

colors: {
  custom: {
    50: '#639272',
    500: '#1b663c',
    950: '#000000',
  },
}

SCSS

$custom: #1b663c;
$custom-light: #639272;
$custom-dark: #000000;

JSON

{
  "hex": "#1b663c",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 60
  },
  "hsl": {
    "h": 146.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.45372,
    "c": 0.09972,
    "h": 154.3
  },
  "luminance": 0.10062
}

Semantic roles & 50–950 ramp

primary

#1B663C

secondary

#9B4174

accent

#469DE1

background

#F6F9F6

surface

#EBF1EC

border

#C6CBC7

text

#060D08

muted

#7A7E7B

Preview Lab

Preview with #1B663C

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

Preview Lab → · Contrast checker → · Palette generator →