#1B803C#1B803C

#1B803C is a mid, vivid green. Relative luminance 0.160; OKLCH L 52.8% C 0.136 H 149.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B803C
RGB	rgb(27, 128, 60)
HSL	hsl(140, 65%, 30%)
HSV	hsv(140, 79%, 50%)
CMYK	cmyk(78.9%, 0%, 53.1%, 49.8%)
CIE-LAB	lab(46.97, -43.64, 28.88)
CIE-LCH	lch(46.97, 52.33, 146.51°)
OKLab	oklab(52.82% -0.1173 0.0698)
OKLCH	oklch(52.82% 0.136 149.2)
XYZ	xyz(8.9860, 15.9965, 6.8881)
Luminance	0.1600 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B803C #801B5F

analogous

#2C801B #1B803C #1B806E

triadic

#1B803C #3C1B80 #803C1B

tetradic

#1B803C #1B2C80 #801B5F #806E1B

square

#1B803C #1B2C80 #801B5F #806E1B

split-complementary

#1B803C #6E1B80 #801B2C

monochromatic

#061B0D #104D24 #1B803C #26B354 #3FD670

Accessibility & contrast

On white

5.00

#1B803C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#1B803C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B803C

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B803C	#FFFFFF	#000000	##FFFFFF
##1B803C	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817436

Deuteranopia (green-blind)

#756C41

Tritanopia (blue-blind)

#007D70

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1b803c;
/* rgb */ color: rgb(27, 128, 60);
/* oklch */ color: oklch(52.8% 0.136 149.2);

Tailwind

colors: {
  custom: {
    50: '#69a673',
    500: '#1b803c',
    950: '#000000',
  },
}

SCSS

$custom: #1b803c;
$custom-light: #69a673;
$custom-dark: #000000;

JSON

{
  "hex": "#1b803c",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 60
  },
  "hsl": {
    "h": 139.604,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.52822,
    "c": 0.13648,
    "h": 149.2
  },
  "luminance": 0.15998
}

Semantic roles & 50–950 ramp

primary

#1B803C

secondary

#B4438F

accent

#40B1E8

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #1B803C

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

Preview Lab → · Contrast checker → · Palette generator →