#1B733B#1B733B

#1B733B is a mid, moderate green. Relative luminance 0.128; OKLCH L 49.1% C 0.120 H 150.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B733B
RGB	rgb(27, 115, 59)
HSL	hsl(142, 62%, 28%)
HSV	hsv(142, 77%, 45%)
CMYK	cmyk(76.5%, 0%, 48.7%, 54.9%)
CIE-LAB	lab(42.47, -38.82, 23.79)
CIE-LCH	lch(42.47, 45.53, 148.50°)
OKLab	oklab(49.1% -0.1044 0.0583)
OKLCH	oklch(49.1% 0.12 150.8)
XYZ	xyz(7.3715, 12.8094, 6.2208)
Luminance	0.1281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B733B #731B53

analogous

#27731B #1B733B #1B7367

triadic

#1B733B #3B1B73 #733B1B

tetradic

#1B733B #1B2773 #731B53 #73671B

square

#1B733B #1B2773 #731B53 #73671B

split-complementary

#1B733B #671B73 #731B27

monochromatic

#06190D #0F4122 #1B733B #27A554 #38D06F

Accessibility & contrast

On white

5.90

#1B733B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#1B733B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B733B

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B733B	#FFFFFF	#000000	##FFFFFF
##1B733B	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)

#746937

Deuteranopia (green-blind)

#69613F

Tritanopia (blue-blind)

#007166

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1b733b;
/* rgb */ color: rgb(27, 115, 59);
/* oklch */ color: oklch(49.1% 0.120 150.8);

Tailwind

colors: {
  custom: {
    50: '#669c72',
    500: '#1b733b',
    950: '#000000',
  },
}

SCSS

$custom: #1b733b;
$custom-light: #669c72;
$custom-dark: #000000;

JSON

{
  "hex": "#1b733b",
  "rgb": {
    "r": 27,
    "g": 115,
    "b": 59
  },
  "hsl": {
    "h": 141.818,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.49098,
    "c": 0.11958,
    "h": 150.8
  },
  "luminance": 0.1281
}

Semantic roles & 50–950 ramp

primary

#1B733B

secondary

#A84283

accent

#43AAE5

background

#F6F9F6

surface

#EBF2EC

border

#C6CCC7

text

#060E08

muted

#7A7E7B

Preview Lab

Preview with #1B733B

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

Preview Lab → · Contrast checker → · Palette generator →