#1B613B#1B613B

#1B613B is a dark, moderate green. Relative luminance 0.091; OKLCH L 43.9% C 0.093 H 155.3°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B613B
RGB	rgb(27, 97, 59)
HSL	hsl(147, 56%, 24%)
HSV	hsv(147, 72%, 38%)
CMYK	cmyk(72.2%, 0%, 39.2%, 62%)
CIE-LAB	lab(36.17, -31.30, 15.56)
CIE-LCH	lch(36.17, 34.96, 153.56°)
OKLab	oklab(43.9% -0.0847 0.039)
OKLCH	oklch(43.9% 0.093 155.3)
XYZ	xyz(5.5156, 9.0976, 5.6022)
Luminance	0.0910 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B613B #611B41

analogous

#1E611B #1B613B #1B615E

triadic

#1B613B #3B1B61 #613B1B

tetradic

#1B613B #1B1E61 #611B41 #615E1B

square

#1B613B #1B1E61 #611B41 #615E1B

split-complementary

#1B613B #5E1B61 #611B1E

monochromatic

#07180F #0E311E #1B613B #289158 #36C175

Accessibility & contrast

On white

7.45

#1B613B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1B613B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B613B

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B613B	#FFFFFF	#000000	##FFFFFF
##1B613B	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615938

Deuteranopia (green-blind)

#58533D

Tritanopia (blue-blind)

#006057

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b613b;
/* rgb */ color: rgb(27, 97, 59);
/* oklch */ color: oklch(43.9% 0.093 155.3);

Tailwind

colors: {
  custom: {
    50: '#618e71',
    500: '#1b613b',
    950: '#000000',
  },
}

SCSS

$custom: #1b613b;
$custom-light: #618e71;
$custom-dark: #000000;

JSON

{
  "hex": "#1b613b",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 59
  },
  "hsl": {
    "h": 147.429,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.439,
    "c": 0.09325,
    "h": 155.3
  },
  "luminance": 0.09098
}

Semantic roles & 50–950 ramp

primary

#1B613B

secondary

#974170

accent

#489AE0

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#050C07

muted

#7A7D7A

Preview Lab

Preview with #1B613B

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

Preview Lab → · Contrast checker → · Palette generator →