#1B783B#1B783B

#1B783B is a mid, vivid green. Relative luminance 0.140; OKLCH L 50.5% C 0.127 H 150.0°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#1B783B
RGB	rgb(27, 120, 59)
HSL	hsl(141, 63%, 29%)
HSV	hsv(141, 78%, 47%)
CMYK	cmyk(77.5%, 0%, 50.8%, 52.9%)
CIE-LAB	lab(44.21, -40.77, 25.98)
CIE-LCH	lch(44.21, 48.35, 147.50°)
OKLab	oklab(50.53% -0.1096 0.0632)
OKLCH	oklch(50.53% 0.127 150)
XYZ	xyz(7.9572, 13.9808, 6.4160)
Luminance	0.1398 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B783B #781B58

analogous

#2A781B #1B783B #1B786A

triadic

#1B783B #3B1B78 #783B1B

tetradic

#1B783B #1B2A78 #781B58 #786A1B

square

#1B783B #1B2A78 #781B58 #786A1B

split-complementary

#1B783B #6A1B78 #781B2A

monochromatic

#06190C #104622 #1B783B #26AA54 #3BD36F

Accessibility & contrast

On white

5.53

#1B783B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#1B783B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B783B

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B783B	#FFFFFF	#000000	##FFFFFF
##1B783B	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796D36

Deuteranopia (green-blind)

#6E653F

Tritanopia (blue-blind)

#00766A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b783b;
/* rgb */ color: rgb(27, 120, 59);
/* oklch */ color: oklch(50.5% 0.127 150.0);

Tailwind

colors: {
  custom: {
    50: '#67a072',
    500: '#1b783b',
    950: '#000000',
  },
}

SCSS

$custom: #1b783b;
$custom-light: #67a072;
$custom-dark: #000000;

JSON

{
  "hex": "#1b783b",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 59
  },
  "hsl": {
    "h": 140.645,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.50529,
    "c": 0.12656,
    "h": 150
  },
  "luminance": 0.13982
}

Semantic roles & 50–950 ramp

primary

#1B783B

secondary

#AC4388

accent

#41AEE6

background

#F6F9F6

surface

#EBF2EC

border

#C6CCC7

text

#070F08

muted

#7A7E7B

Preview Lab

Preview with #1B783B

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

Preview Lab → · Contrast checker → · Palette generator →