#1B9728#1B9728

#1B9728 is a mid, vivid green. Relative luminance 0.225; OKLCH L 59.1% C 0.181 H 144.0°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B9728
RGB	rgb(27, 151, 40)
HSL	hsl(126, 70%, 35%)
HSV	hsv(126, 82%, 59%)
CMYK	cmyk(82.1%, 0%, 73.5%, 40.8%)
CIE-LAB	lab(54.57, -54.05, 46.74)
CIE-LCH	lch(54.57, 71.46, 139.15°)
OKLab	oklab(59.07% -0.1461 0.1063)
OKLCH	oklch(59.07% 0.181 144)
XYZ	xyz(11.9008, 22.5180, 5.7263)
Luminance	0.2252 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9728 #971B8A

analogous

#4C971B #1B9728 #1B9766

triadic

#1B9728 #281B97 #97281B

tetradic

#1B9728 #1B4C97 #971B8A #97661B

square

#1B9728 #1B4C97 #971B8A #97661B

split-complementary

#1B9728 #661B97 #971B4C

monochromatic

#082F0C #12631A #1B9728 #24CB36 #4DDF5D

Accessibility & contrast

On white

3.82

#1B9728 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#1B9728 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9728

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9728	#FFFFFF	#000000	##000000
##1B9728	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8815

Deuteranopia (green-blind)

#8D7F33

Tritanopia (blue-blind)

#009381

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b9728;
/* rgb */ color: rgb(27, 151, 40);
/* oklch */ color: oklch(59.1% 0.181 144.0);

Tailwind

colors: {
  custom: {
    50: '#70b769',
    500: '#1b9728',
    950: '#000000',
  },
}

SCSS

$custom: #1b9728;
$custom-light: #70b769;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9728",
  "rgb": {
    "r": 27,
    "g": 151,
    "b": 40
  },
  "hsl": {
    "h": 126.29,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59067,
    "c": 0.18069,
    "h": 144
  },
  "luminance": 0.22519
}

Semantic roles & 50–950 ramp

primary

#1B9728

secondary

#C14CB5

accent

#3BDAEC

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B9728

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

Preview Lab → · Contrast checker → · Palette generator →