#1B822A#1B822A

#1B822A is a mid, vivid green. Relative luminance 0.164; OKLCH L 53.2% C 0.155 H 144.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B822A
RGB	rgb(27, 130, 42)
HSL	hsl(129, 66%, 31%)
HSV	hsv(129, 79%, 51%)
CMYK	cmyk(79.2%, 0%, 67.7%, 49%)
CIE-LAB	lab(47.45, -46.85, 38.34)
CIE-LCH	lch(47.45, 60.54, 140.70°)
OKLab	oklab(53.15% -0.1265 0.0889)
OKLCH	oklch(53.15% 0.155 144.9)
XYZ	xyz(8.8519, 16.3644, 4.8822)
Luminance	0.1636 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B822A #821B73

analogous

#3F821B #1B822A #1B825D

triadic

#1B822A #2A1B82 #822A1B

tetradic

#1B822A #1B3F82 #821B73 #825D1B

square

#1B822A #1B3F82 #821B73 #825D1B

split-complementary

#1B822A #5D1B82 #821B3F

monochromatic

#061D09 #104F1A #1B822A #26B53A #40D756

Accessibility & contrast

On white

4.91

#1B822A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#1B822A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B822A

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B822A	#FFFFFF	#000000	##FFFFFF
##1B822A	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#84751F

Deuteranopia (green-blind)

#796D32

Tritanopia (blue-blind)

#007E70

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b822a;
/* rgb */ color: rgb(27, 130, 42);
/* oklch */ color: oklch(53.2% 0.155 144.9);

Tailwind

colors: {
  custom: {
    50: '#6aa768',
    500: '#1b822a',
    950: '#000000',
  },
}

SCSS

$custom: #1b822a;
$custom-light: #6aa768;
$custom-dark: #000000;

JSON

{
  "hex": "#1b822a",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 42
  },
  "hsl": {
    "h": 128.738,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53152,
    "c": 0.15456,
    "h": 144.9
  },
  "luminance": 0.16365
}

Semantic roles & 50–950 ramp

primary

#1B822A

secondary

#B643A5

accent

#3FD0E9

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#081006

muted

#7A7F7A

Preview Lab

Preview with #1B822A

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

Preview Lab → · Contrast checker → · Palette generator →