#1B733A#1B733A

#1B733A is a mid, vivid green. Relative luminance 0.128; OKLCH L 49.1% C 0.121 H 150.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B733A
RGB	rgb(27, 115, 58)
HSL	hsl(141, 62%, 28%)
HSV	hsv(141, 77%, 45%)
CMYK	cmyk(76.5%, 0%, 49.6%, 54.9%)
CIE-LAB	lab(42.46, -39.00, 24.32)
CIE-LCH	lch(42.46, 45.96, 148.05°)
OKLab	oklab(49.08% -0.1049 0.0594)
OKLCH	oklch(49.08% 0.121 150.5)
XYZ	xyz(7.3458, 12.7991, 6.0855)
Luminance	0.1280 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B733A #731B54

analogous

#28731B #1B733A #1B7366

triadic

#1B733A #3A1B73 #733A1B

tetradic

#1B733A #1B2873 #731B54 #73661B

square

#1B733A #1B2873 #731B54 #73661B

split-complementary

#1B733A #661B73 #731B28

monochromatic

#06190C #0F4121 #1B733A #27A553 #38D06E

Accessibility & contrast

On white

5.90

#1B733A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#1B733A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B733A

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B733A	#FFFFFF	#000000	##FFFFFF
##1B733A	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746935

Deuteranopia (green-blind)

#69613E

Tritanopia (blue-blind)

#007165

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1b733a;
/* rgb */ color: rgb(27, 115, 58);
/* oklch */ color: oklch(49.1% 0.121 150.5);

Tailwind

colors: {
  custom: {
    50: '#669c71',
    500: '#1b733a',
    950: '#000000',
  },
}

SCSS

$custom: #1b733a;
$custom-light: #669c71;
$custom-dark: #000000;

JSON

{
  "hex": "#1b733a",
  "rgb": {
    "r": 27,
    "g": 115,
    "b": 58
  },
  "hsl": {
    "h": 141.136,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.4908,
    "c": 0.12057,
    "h": 150.5
  },
  "luminance": 0.128
}

Semantic roles & 50–950 ramp

primary

#1B733A

secondary

#A84284

accent

#43ACE5

background

#F6F9F6

surface

#EBF2EC

border

#C6CCC7

text

#060E08

muted

#7A7E7B

Preview Lab

Preview with #1B733A

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

Preview Lab → · Contrast checker → · Palette generator →