#1B972B#1B972B

#1B972B is a mid, vivid green. Relative luminance 0.225; OKLCH L 59.1% C 0.179 H 144.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B972B
RGB	rgb(27, 151, 43)
HSL	hsl(128, 70%, 35%)
HSV	hsv(128, 82%, 59%)
CMYK	cmyk(82.1%, 0%, 71.5%, 40.8%)
CIE-LAB	lab(54.59, -53.78, 45.58)
CIE-LCH	lch(54.59, 70.50, 139.71°)
OKLab	oklab(59.09% -0.1453 0.1042)
OKLCH	oklch(59.09% 0.179 144.3)
XYZ	xyz(11.9538, 22.5392, 6.0055)
Luminance	0.2254 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B972B #971B87

analogous

#49971B #1B972B #1B9769

triadic

#1B972B #2B1B97 #972B1B

tetradic

#1B972B #1B4997 #971B87 #97691B

square

#1B972B #1B4997 #971B87 #97691B

split-complementary

#1B972B #691B97 #971B49

monochromatic

#082F0D #12631C #1B972B #24CB3A #4DDF60

Accessibility & contrast

On white

3.81

#1B972B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#1B972B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B972B

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B972B	#FFFFFF	#000000	##000000
##1B972B	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A881A

Deuteranopia (green-blind)

#8D7F36

Tritanopia (blue-blind)

#009381

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b972b;
/* rgb */ color: rgb(27, 151, 43);
/* oklch */ color: oklch(59.1% 0.179 144.3);

Tailwind

colors: {
  custom: {
    50: '#70b76b',
    500: '#1b972b',
    950: '#000000',
  },
}

SCSS

$custom: #1b972b;
$custom-light: #70b76b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b972b",
  "rgb": {
    "r": 27,
    "g": 151,
    "b": 43
  },
  "hsl": {
    "h": 127.742,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59093,
    "c": 0.17879,
    "h": 144.3
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#1B972B

secondary

#C14CB2

accent

#3BD6EC

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B972B

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

Preview Lab → · Contrast checker → · Palette generator →