#1B663B#1B663B

#1B663B is a mid, moderate green. Relative luminance 0.101; OKLCH L 45.4% C 0.101 H 153.7°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B663B
RGB	rgb(27, 102, 59)
HSL	hsl(146, 58%, 25%)
HSV	hsv(146, 74%, 40%)
CMYK	cmyk(73.5%, 0%, 42.2%, 60%)
CIE-LAB	lab(37.93, -33.47, 17.91)
CIE-LCH	lch(37.93, 37.96, 151.86°)
OKLab	oklab(45.35% -0.0903 0.0446)
OKLCH	oklch(45.35% 0.101 153.7)
XYZ	xyz(5.9923, 10.0509, 5.7610)
Luminance	0.1005 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B663B #661B46

analogous

#20661B #1B663B #1B6660

triadic

#1B663B #3B1B66 #663B1B

tetradic

#1B663B #1B2066 #661B46 #66601B

square

#1B663B #1B2066 #661B46 #66601B

split-complementary

#1B663B #601B66 #661B20

monochromatic

#06180E #0E361F #1B663B #289657 #35C773

Accessibility & contrast

On white

6.98

#1B663B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1B663B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B663B

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B663B	#FFFFFF	#000000	##FFFFFF
##1B663B	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D38

Deuteranopia (green-blind)

#5D573E

Tritanopia (blue-blind)

#00655B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b663b;
/* rgb */ color: rgb(27, 102, 59);
/* oklch */ color: oklch(45.4% 0.101 153.7);

Tailwind

colors: {
  custom: {
    50: '#639271',
    500: '#1b663b',
    950: '#000000',
  },
}

SCSS

$custom: #1b663b;
$custom-light: #639271;
$custom-dark: #000000;

JSON

{
  "hex": "#1b663b",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 59
  },
  "hsl": {
    "h": 145.6,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.45351,
    "c": 0.10075,
    "h": 153.7
  },
  "luminance": 0.10052
}

Semantic roles & 50–950 ramp

primary

#1B663B

secondary

#9B4175

accent

#469FE1

background

#F6F9F6

surface

#EBF1EC

border

#C6CBC7

text

#060D07

muted

#7A7E7A

Preview Lab

Preview with #1B663B

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

Preview Lab → · Contrast checker → · Palette generator →