#1B8545#1B8545

#1B8545 is a mid, vivid green. Relative luminance 0.174; OKLCH L 54.4% C 0.135 H 151.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B8545
RGB	rgb(27, 133, 69)
HSL	hsl(144, 66%, 31%)
HSV	hsv(144, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 48.1%, 47.8%)
CIE-LAB	lab(48.81, -43.98, 26.35)
CIE-LCH	lch(48.81, 51.27, 149.07°)
OKLab	oklab(54.38% -0.1182 0.0645)
OKLCH	oklch(54.38% 0.135 151.4)
XYZ	xyz(9.9128, 17.4366, 8.4722)
Luminance	0.1744 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8545 #851B5B

analogous

#26851B #1B8545 #1B857A

triadic

#1B8545 #451B85 #85451B

tetradic

#1B8545 #1B2685 #851B5B #857A1B

square

#1B8545 #1B2685 #851B5B #857A1B

split-complementary

#1B8545 #7A1B85 #851B26

monochromatic

#061F10 #11522B #1B8545 #25B85F #42D97E

Accessibility & contrast

On white

4.68

#1B8545 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#1B8545 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8545

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8545	#FFFFFF	#000000	##FFFFFF
##1B8545	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857940

Deuteranopia (green-blind)

#79714A

Tritanopia (blue-blind)

#008376

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #1b8545;
/* rgb */ color: rgb(27, 133, 69);
/* oklch */ color: oklch(54.4% 0.135 151.4);

Tailwind

colors: {
  custom: {
    50: '#6aa97a',
    500: '#1b8545',
    950: '#000000',
  },
}

SCSS

$custom: #1b8545;
$custom-light: #6aa97a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8545",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 69
  },
  "hsl": {
    "h": 143.774,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54384,
    "c": 0.13464,
    "h": 151.4
  },
  "luminance": 0.17438
}

Semantic roles & 50–950 ramp

primary

#1B8545

secondary

#B8448A

accent

#3FA6E9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071009

muted

#7A7F7B

Preview Lab

Preview with #1B8545

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

Preview Lab → · Contrast checker → · Palette generator →