#1B5F2A#1B5F2A

#1B5F2A is a dark, moderate green. Relative luminance 0.086; OKLCH L 43.0% C 0.108 H 147.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B5F2A
RGB	rgb(27, 95, 42)
HSL	hsl(133, 56%, 24%)
HSV	hsv(133, 72%, 37%)
CMYK	cmyk(71.6%, 0%, 55.8%, 62.7%)
CIE-LAB	lab(35.17, -33.70, 24.12)
CIE-LCH	lch(35.17, 41.44, 144.40°)
OKLab	oklab(42.98% -0.0909 0.0581)
OKLCH	oklch(42.98% 0.108 147.4)
XYZ	xyz(4.9618, 8.5841, 3.5854)
Luminance	0.0858 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5F2A #5F1B50

analogous

#2E5F1B #1B5F2A #1B5F4C

triadic

#1B5F2A #2A1B5F #5F2A1B

tetradic

#1B5F2A #1B2E5F #5F1B50 #5F4C1B

square

#1B5F2A #1B2E5F #5F1B50 #5F4C1B

split-complementary

#1B5F2A #4C1B5F #5F1B2E

monochromatic

#07180B #0D2F15 #1B5F2A #298F3F #36BE54

Accessibility & contrast

On white

7.73

#1B5F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B5F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5F2A

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5F2A	#FFFFFF	#000000	##FFFFFF
##1B5F2A	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#58502E

Tritanopia (blue-blind)

#035D53

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b5f2a;
/* rgb */ color: rgb(27, 95, 42);
/* oklch */ color: oklch(43.0% 0.108 147.4);

Tailwind

colors: {
  custom: {
    50: '#618d65',
    500: '#1b5f2a',
    950: '#000000',
  },
}

SCSS

$custom: #1b5f2a;
$custom-light: #618d65;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5f2a",
  "rgb": {
    "r": 27,
    "g": 95,
    "b": 42
  },
  "hsl": {
    "h": 133.235,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.42981,
    "c": 0.10786,
    "h": 147.4
  },
  "luminance": 0.08585
}

Semantic roles & 50–950 ramp

primary

#1B5F2A

secondary

#954182

accent

#49BEDF

background

#F6F8F6

surface

#EBF0EB

border

#C6CBC6

text

#050C05

muted

#7A7D7A

Preview Lab

Preview with #1B5F2A

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

Preview Lab → · Contrast checker → · Palette generator →