#1B8544#1B8544

#1B8544 is a mid, vivid green. Relative luminance 0.174; OKLCH L 54.4% C 0.136 H 151.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B8544
RGB	rgb(27, 133, 68)
HSL	hsl(143, 66%, 31%)
HSV	hsv(143, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 48.9%, 47.8%)
CIE-LAB	lab(48.79, -44.16, 26.87)
CIE-LCH	lch(48.79, 51.69, 148.68°)
OKLab	oklab(54.37% -0.1186 0.0657)
OKLCH	oklch(54.37% 0.136 151)
XYZ	xyz(9.8821, 17.4242, 8.3101)
Luminance	0.1742 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8544 #851B5C

analogous

#27851B #1B8544 #1B8579

triadic

#1B8544 #441B85 #85441B

tetradic

#1B8544 #1B2785 #851B5C #85791B

square

#1B8544 #1B2785 #851B5C #85791B

split-complementary

#1B8544 #791B85 #851B27

monochromatic

#061F10 #11522A #1B8544 #25B85E #42D97C

Accessibility & contrast

On white

4.68

#1B8544 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#1B8544 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8544

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8544	#FFFFFF	#000000	##FFFFFF
##1B8544	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#86793F

Deuteranopia (green-blind)

#797049

Tritanopia (blue-blind)

#008376

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b8544;
/* rgb */ color: rgb(27, 133, 68);
/* oklch */ color: oklch(54.4% 0.136 151.0);

Tailwind

colors: {
  custom: {
    50: '#6aa979',
    500: '#1b8544',
    950: '#000000',
  },
}

SCSS

$custom: #1b8544;
$custom-light: #6aa979;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8544",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 68
  },
  "hsl": {
    "h": 143.208,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54366,
    "c": 0.13561,
    "h": 151
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary

#1B8544

secondary

#B8448B

accent

#3FA7E9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081009

muted

#7A7F7B

Preview Lab

Preview with #1B8544

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

Preview Lab → · Contrast checker → · Palette generator →