#1B8B18#1B8B18

#1B8B18 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.176 H 142.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B18
RGB	rgb(27, 139, 24)
HSL	hsl(118, 71%, 32%)
HSV	hsv(118, 83%, 55%)
CMYK	cmyk(80.6%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(50.41, -51.40, 48.20)
CIE-LCH	lch(50.41, 70.46, 136.84°)
OKLab	oklab(55.57% -0.1396 0.1071)
OKLCH	oklch(55.57% 0.176 142.5)
XYZ	xyz(9.8489, 18.7630, 3.9665)
Luminance	0.1876 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B18 #88188B

analogous

#558B18 #1B8B18 #188B4F

triadic

#1B8B18 #181B8B #8B181B

tetradic

#1B8B18 #18558B #88188B #8B4F18

square

#1B8B18 #18558B #88188B #8B4F18

split-complementary

#1B8B18 #4F188B #8B1855

monochromatic

#072306 #11570F #1B8B18 #25BF21 #44DE3F

Accessibility & contrast

On white

4.42

#1B8B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1B8B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B18

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B18	#FFFFFF	#000000	##000000
##1B8B18	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#827526

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b18;
/* rgb */ color: rgb(27, 139, 24);
/* oklch */ color: oklch(55.6% 0.176 142.5);

Tailwind

colors: {
  custom: {
    50: '#6eae60',
    500: '#1b8b18',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b18;
$custom-light: #6eae60;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b18",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 118.435,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55572,
    "c": 0.17597,
    "h": 142.5
  },
  "luminance": 0.18764
}

Semantic roles & 50–950 ramp

primary

#1B8B18

secondary

#BB40BE

accent

#3AEDE9

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1B8B18

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

Preview Lab → · Contrast checker → · Palette generator →