#1B8533#1B8533

#1B8533 is a mid, vivid green. Relative luminance 0.172; OKLCH L 54.1% C 0.151 H 146.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B8533
RGB	rgb(27, 133, 51)
HSL	hsl(134, 66%, 31%)
HSV	hsv(134, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 61.7%, 47.8%)
CIE-LAB	lab(48.57, -46.79, 35.38)
CIE-LCH	lch(48.57, 58.66, 142.91°)
OKLab	oklab(54.11% -0.126 0.0834)
OKLCH	oklch(54.11% 0.151 146.5)
XYZ	xyz(9.4364, 17.2460, 5.9628)
Luminance	0.1725 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8533 #851B6D

analogous

#38851B #1B8533 #1B8568

triadic

#1B8533 #331B85 #85331B

tetradic

#1B8533 #1B3885 #851B6D #85681B

square

#1B8533 #1B3885 #851B6D #85681B

split-complementary

#1B8533 #681B85 #851B38

monochromatic

#061F0C #11521F #1B8533 #25B847 #42D964

Accessibility & contrast

On white

4.72

#1B8533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#1B8533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8533

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8533	#FFFFFF	#000000	##FFFFFF
##1B8533	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#87782A

Deuteranopia (green-blind)

#7B703A

Tritanopia (blue-blind)

#008273

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b8533;
/* rgb */ color: rgb(27, 133, 51);
/* oklch */ color: oklch(54.1% 0.151 146.5);

Tailwind

colors: {
  custom: {
    50: '#6baa6e',
    500: '#1b8533',
    950: '#000000',
  },
}

SCSS

$custom: #1b8533;
$custom-light: #6baa6e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8533",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 51
  },
  "hsl": {
    "h": 133.585,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54111,
    "c": 0.15108,
    "h": 146.5
  },
  "luminance": 0.17247
}

Semantic roles & 50–950 ramp

primary

#1B8533

secondary

#B8449E

accent

#3FC3E9

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081007

muted

#7A7F7A

Preview Lab

Preview with #1B8533

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

Preview Lab → · Contrast checker → · Palette generator →