#1B741B#1B741B

#1B741B is a mid, vivid green. Relative luminance 0.128; OKLCH L 49.0% C 0.148 H 142.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B741B
RGB	rgb(27, 116, 27)
HSL	hsl(120, 62%, 28%)
HSV	hsv(120, 77%, 45%)
CMYK	cmyk(76.7%, 0%, 76.7%, 54.5%)
CIE-LAB	lab(42.46, -43.47, 39.44)
CIE-LCH	lch(42.46, 58.69, 137.78°)
OKLab	oklab(48.97% -0.118 0.0893)
OKLCH	oklch(48.97% 0.148 142.9)
XYZ	xyz(6.8948, 12.8021, 3.1444)
Luminance	0.1280 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B741B #741B74

analogous

#47741B #1B741B #1B7447

triadic

#1B741B #1B1B74 #741B1B

tetradic

#1B741B #1B4774 #741B74 #74471B

square

#1B741B #1B4774 #741B74 #74471B

split-complementary

#1B741B #471B74 #741B47

monochromatic

#061906 #0F420F #1B741B #27A627 #39D139

Accessibility & contrast

On white

5.90

#1B741B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#1B741B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B741B

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B741B	#FFFFFF	#000000	##FFFFFF
##1B741B	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77680A

Deuteranopia (green-blind)

#6D6224

Tritanopia (blue-blind)

#007063

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1b741b;
/* rgb */ color: rgb(27, 116, 27);
/* oklch */ color: oklch(49.0% 0.148 142.9);

Tailwind

colors: {
  custom: {
    50: '#689d5e',
    500: '#1b741b',
    950: '#000000',
  },
}

SCSS

$custom: #1b741b;
$custom-light: #689d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b741b",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 27
  },
  "hsl": {
    "h": 120,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.48973,
    "c": 0.14796,
    "h": 142.9
  },
  "luminance": 0.12803
}

Semantic roles & 50–950 ramp

primary

#1B741B

secondary

#A942A9

accent

#42E5E5

background

#F6F9F5

surface

#EBF2E9

border

#C6CCC5

text

#070E05

muted

#7A7E79

Preview Lab

Preview with #1B741B

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

Preview Lab → · Contrast checker → · Palette generator →