#1F771B#1F771B

#1F771B is a mid, vivid green. Relative luminance 0.136; OKLCH L 49.9% C 0.150 H 142.4°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F771B
RGB	rgb(31, 119, 27)
HSL	hsl(117, 63%, 29%)
HSV	hsv(117, 77%, 47%)
CMYK	cmyk(73.9%, 0%, 77.3%, 53.3%)
CIE-LAB	lab(43.60, -43.79, 40.61)
CIE-LCH	lch(43.60, 59.72, 137.15°)
OKLab	oklab(49.94% -0.1191 0.0917)
OKLCH	oklch(49.94% 0.15 142.4)
XYZ	xyz(7.3593, 13.5633, 3.2668)
Luminance	0.1356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F771B #731B77

analogous

#4D771B #1F771B #1B7745

triadic

#1F771B #1B1F77 #771B1F

tetradic

#1F771B #1B4D77 #731B77 #77451B

square

#1F771B #1B4D77 #731B77 #77451B

split-complementary

#1F771B #451B77 #771B4D

monochromatic

#061906 #124510 #1F771B #2CA926 #41D23A

Accessibility & contrast

On white

5.66

#1F771B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#1F771B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F771B

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F771B	#FFFFFF	#000000	##FFFFFF
##1F771B	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6B09

Deuteranopia (green-blind)

#706425

Tritanopia (blue-blind)

#047365

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1f771b;
/* rgb */ color: rgb(31, 119, 27);
/* oklch */ color: oklch(49.9% 0.150 142.4);

Tailwind

colors: {
  custom: {
    50: '#6a9f5e',
    500: '#1f771b',
    950: '#000000',
  },
}

SCSS

$custom: #1f771b;
$custom-light: #6a9f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f771b",
  "rgb": {
    "r": 31,
    "g": 119,
    "b": 27
  },
  "hsl": {
    "h": 117.391,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.49941,
    "c": 0.15028,
    "h": 142.4
  },
  "luminance": 0.13564
}

Semantic roles & 50–950 ramp

primary

#1F771B

secondary

#A742AB

accent

#42E6DF

background

#F6F9F5

surface

#ECF2E9

border

#C7CCC5

text

#070F05

muted

#7A7E79

Preview Lab

Preview with #1F771B

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

Preview Lab → · Contrast checker → · Palette generator →