#1B9018#1B9018

#1B9018 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.0% C 0.181 H 142.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B9018
RGB	rgb(27, 144, 24)
HSL	hsl(119, 71%, 33%)
HSV	hsv(119, 83%, 56%)
CMYK	cmyk(81.3%, 0%, 83.3%, 43.5%)
CIE-LAB	lab(52.11, -52.99, 49.79)
CIE-LCH	lch(52.11, 72.71, 136.79°)
OKLab	oklab(56.99% -0.144 0.1104)
OKLCH	oklch(56.99% 0.181 142.5)
XYZ	xyz(10.5895, 20.2442, 4.2134)
Luminance	0.2024 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9018 #8D1890

analogous

#579018 #1B9018 #189051

triadic

#1B9018 #181B90 #90181B

tetradic

#1B9018 #185790 #8D1890 #905118

square

#1B9018 #185790 #8D1890 #905118

split-complementary

#1B9018 #511890 #901857

monochromatic

#072707 #115C0F #1B9018 #25C421 #47E043

Accessibility & contrast

On white

4.16

#1B9018 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#1B9018 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9018

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9018	#FFFFFF	#000000	##000000
##1B9018	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938200

Deuteranopia (green-blind)

#877927

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1b9018;
/* rgb */ color: rgb(27, 144, 24);
/* oklch */ color: oklch(57.0% 0.181 142.5);

Tailwind

colors: {
  custom: {
    50: '#6fb261',
    500: '#1b9018',
    950: '#000000',
  },
}

SCSS

$custom: #1b9018;
$custom-light: #6fb261;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9018",
  "rgb": {
    "r": 27,
    "g": 144,
    "b": 24
  },
  "hsl": {
    "h": 118.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.5699,
    "c": 0.18142,
    "h": 142.5
  },
  "luminance": 0.20245
}

Semantic roles & 50–950 ramp

primary

#1B9018

secondary

#BD43C0

accent

#3AEEEA

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091105

muted

#7B807A

Preview Lab

Preview with #1B9018

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

Preview Lab → · Contrast checker → · Palette generator →