#1B771F#1B771F

#1B771F is a mid, vivid green. Relative luminance 0.135; OKLCH L 49.9% C 0.149 H 143.4°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B771F
RGB	rgb(27, 119, 31)
HSL	hsl(123, 63%, 29%)
HSV	hsv(123, 77%, 47%)
CMYK	cmyk(77.3%, 0%, 73.9%, 53.3%)
CIE-LAB	lab(43.54, -44.16, 38.94)
CIE-LCH	lch(43.54, 58.87, 138.60°)
OKLab	oklab(49.88% -0.1197 0.0888)
OKLCH	oklch(49.88% 0.149 143.4)
XYZ	xyz(7.2957, 13.5248, 3.5221)
Luminance	0.1353 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B771F #771B73

analogous

#45771B #1B771F #1B774D

triadic

#1B771F #1F1B77 #771F1B

tetradic

#1B771F #1B4577 #771B73 #774D1B

square

#1B771F #1B4577 #771B73 #774D1B

split-complementary

#1B771F #4D1B77 #771B45

monochromatic

#061906 #104512 #1B771F #26A92C #3AD241

Accessibility & contrast

On white

5.67

#1B771F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#1B771F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B771F

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B771F	#FFFFFF	#000000	##FFFFFF
##1B771F	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6B11

Deuteranopia (green-blind)

#6F6428

Tritanopia (blue-blind)

#007366

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1b771f;
/* rgb */ color: rgb(27, 119, 31);
/* oklch */ color: oklch(49.9% 0.149 143.4);

Tailwind

colors: {
  custom: {
    50: '#689f60',
    500: '#1b771f',
    950: '#000000',
  },
}

SCSS

$custom: #1b771f;
$custom-light: #689f60;
$custom-dark: #000000;

JSON

{
  "hex": "#1b771f",
  "rgb": {
    "r": 27,
    "g": 119,
    "b": 31
  },
  "hsl": {
    "h": 122.609,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.49879,
    "c": 0.14899,
    "h": 143.4
  },
  "luminance": 0.13526
}

Semantic roles & 50–950 ramp

primary

#1B771F

secondary

#AB42A7

accent

#42DFE6

background

#F6F9F5

surface

#ECF2EA

border

#C7CCC6

text

#070F05

muted

#7A7E79

Preview Lab

Preview with #1B771F

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

Preview Lab → · Contrast checker → · Palette generator →