#1B751F#1B751F

#1B751F is a mid, vivid green. Relative luminance 0.131; OKLCH L 49.3% C 0.147 H 143.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B751F
RGB	rgb(27, 117, 31)
HSL	hsl(123, 63%, 28%)
HSV	hsv(123, 77%, 46%)
CMYK	cmyk(76.9%, 0%, 73.5%, 54.1%)
CIE-LAB	lab(42.84, -43.46, 38.21)
CIE-LCH	lch(42.84, 57.86, 138.68°)
OKLab	oklab(49.3% -0.1178 0.0872)
OKLCH	oklch(49.3% 0.147 143.5)
XYZ	xyz(7.0602, 13.0537, 3.4436)
Luminance	0.1305 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B751F #751B71

analogous

#44751B #1B751F #1B754C

triadic

#1B751F #1F1B75 #751F1B

tetradic

#1B751F #1B4475 #751B71 #754C1B

square

#1B751F #1B4475 #751B71 #754C1B

split-complementary

#1B751F #4C1B75 #751B44

monochromatic

#061907 #104312 #1B751F #26A72C #39D140

Accessibility & contrast

On white

5.82

#1B751F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#1B751F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B751F

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B751F	#FFFFFF	#000000	##FFFFFF
##1B751F	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776911

Deuteranopia (green-blind)

#6D6228

Tritanopia (blue-blind)

#007264

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #1b751f;
/* rgb */ color: rgb(27, 117, 31);
/* oklch */ color: oklch(49.3% 0.147 143.5);

Tailwind

colors: {
  custom: {
    50: '#689e60',
    500: '#1b751f',
    950: '#000000',
  },
}

SCSS

$custom: #1b751f;
$custom-light: #689e60;
$custom-dark: #000000;

JSON

{
  "hex": "#1b751f",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 31
  },
  "hsl": {
    "h": 122.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.49298,
    "c": 0.14655,
    "h": 143.5
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#1B751F

secondary

#A942A5

accent

#42DEE6

background

#F6F9F5

surface

#EBF2EA

border

#C6CCC6

text

#070E05

muted

#7A7E79

Preview Lab

Preview with #1B751F

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

Preview Lab → · Contrast checker → · Palette generator →