#1B783A#1B783A

#1B783A is a mid, vivid green. Relative luminance 0.140; OKLCH L 50.5% C 0.128 H 149.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#1B783A
RGB	rgb(27, 120, 58)
HSL	hsl(140, 63%, 29%)
HSV	hsv(140, 78%, 47%)
CMYK	cmyk(77.5%, 0%, 51.7%, 52.9%)
CIE-LAB	lab(44.19, -40.95, 26.50)
CIE-LCH	lch(44.19, 48.77, 147.09°)
OKLab	oklab(50.51% -0.1101 0.0644)
OKLCH	oklch(50.51% 0.128 149.7)
XYZ	xyz(7.9315, 13.9705, 6.2807)
Luminance	0.1397 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B783A #781B59

analogous

#2B781B #1B783A #1B7869

triadic

#1B783A #3A1B78 #783A1B

tetradic

#1B783A #1B2B78 #781B59 #78691B

square

#1B783A #1B2B78 #781B59 #78691B

split-complementary

#1B783A #691B78 #781B2B

monochromatic

#06190C #104622 #1B783A #26AA52 #3BD36D

Accessibility & contrast

On white

5.53

#1B783A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#1B783A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B783A

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B783A	#FFFFFF	#000000	##FFFFFF
##1B783A	1.00	5.53	3.79	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796D35

Deuteranopia (green-blind)

#6E653E

Tritanopia (blue-blind)

#00766A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b783a;
/* rgb */ color: rgb(27, 120, 58);
/* oklch */ color: oklch(50.5% 0.128 149.7);

Tailwind

colors: {
  custom: {
    50: '#67a071',
    500: '#1b783a',
    950: '#000000',
  },
}

SCSS

$custom: #1b783a;
$custom-light: #67a071;
$custom-dark: #000000;

JSON

{
  "hex": "#1b783a",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 58
  },
  "hsl": {
    "h": 140,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.50512,
    "c": 0.12752,
    "h": 149.7
  },
  "luminance": 0.13971
}

Semantic roles & 50–950 ramp

primary

#1B783A

secondary

#AC4389

accent

#41AFE6

background

#F6F9F6

surface

#EBF2EC

border

#C6CCC7

text

#070F08

muted

#7A7E7B

Preview Lab

Preview with #1B783A

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

Preview Lab → · Contrast checker → · Palette generator →