#1B803F#1B803F

#1B803F is a mid, vivid green. Relative luminance 0.160; OKLCH L 52.9% C 0.134 H 150.2°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B803F
RGB	rgb(27, 128, 63)
HSL	hsl(141, 65%, 30%)
HSV	hsv(141, 79%, 50%)
CMYK	cmyk(78.9%, 0%, 50.8%, 49.8%)
CIE-LAB	lab(47.01, -43.14, 27.33)
CIE-LCH	lch(47.01, 51.07, 147.65°)
OKLab	oklab(52.87% -0.1159 0.0665)
OKLCH	oklch(52.87% 0.134 150.2)
XYZ	xyz(9.0676, 16.0292, 7.3177)
Luminance	0.1603 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B803F #801B5C

analogous

#2A801B #1B803F #1B8071

triadic

#1B803F #3F1B80 #803F1B

tetradic

#1B803F #1B2A80 #801B5C #80711B

square

#1B803F #1B2A80 #801B5C #80711B

split-complementary

#1B803F #711B80 #801B2A

monochromatic

#061B0D #104D26 #1B803F #26B358 #3FD675

Accessibility & contrast

On white

4.99

#1B803F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#1B803F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B803F

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B803F	#FFFFFF	#000000	##FFFFFF
##1B803F	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81743A

Deuteranopia (green-blind)

#756C44

Tritanopia (blue-blind)

#007E71

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1b803f;
/* rgb */ color: rgb(27, 128, 63);
/* oklch */ color: oklch(52.9% 0.134 150.2);

Tailwind

colors: {
  custom: {
    50: '#69a675',
    500: '#1b803f',
    950: '#000000',
  },
}

SCSS

$custom: #1b803f;
$custom-light: #69a675;
$custom-dark: #000000;

JSON

{
  "hex": "#1b803f",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 63
  },
  "hsl": {
    "h": 141.386,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.52871,
    "c": 0.13364,
    "h": 150.2
  },
  "luminance": 0.1603
}

Semantic roles & 50–950 ramp

primary

#1B803F

secondary

#B4438C

accent

#40ACE8

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #1B803F

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

Preview Lab → · Contrast checker → · Palette generator →