#1B9743#1B9743

#1B9743 is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.4% C 0.160 H 148.5°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B9743
RGB	rgb(27, 151, 67)
HSL	hsl(139, 70%, 35%)
HSV	hsv(139, 82%, 59%)
CMYK	cmyk(82.1%, 0%, 55.6%, 40.8%)
CIE-LAB	lab(54.83, -50.84, 34.87)
CIE-LCH	lch(54.83, 61.65, 145.56°)
OKLab	oklab(59.37% -0.1365 0.0836)
OKLCH	oklch(59.37% 0.16 148.5)
XYZ	xyz(12.5307, 22.7699, 9.0437)
Luminance	0.2277 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9743 #971B6F

analogous

#31971B #1B9743 #1B9781

triadic

#1B9743 #431B97 #97431B

tetradic

#1B9743 #1B3197 #971B6F #97811B

square

#1B9743 #1B3197 #971B6F #97811B

split-complementary

#1B9743 #811B97 #971B31

monochromatic

#082F15 #12632C #1B9743 #24CB5A #4DDF7C

Accessibility & contrast

On white

3.78

#1B9743 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#1B9743 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9743

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9743	#FFFFFF	#000000	##000000
##1B9743	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98893B

Deuteranopia (green-blind)

#8B7F49

Tritanopia (blue-blind)

#009484

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1b9743;
/* rgb */ color: rgb(27, 151, 67);
/* oklch */ color: oklch(59.4% 0.160 148.5);

Tailwind

colors: {
  custom: {
    50: '#6fb779',
    500: '#1b9743',
    950: '#000000',
  },
}

SCSS

$custom: #1b9743;
$custom-light: #6fb779;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9743",
  "rgb": {
    "r": 27,
    "g": 151,
    "b": 67
  },
  "hsl": {
    "h": 139.355,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59369,
    "c": 0.16006,
    "h": 148.5
  },
  "luminance": 0.22771
}

Semantic roles & 50–950 ramp

primary

#1B9743

secondary

#C14C9C

accent

#3BB3EC

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1B9743

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

Preview Lab → · Contrast checker → · Palette generator →