#1B7828#1B7828

#1B7828 is a mid, vivid green. Relative luminance 0.138; OKLCH L 50.3% C 0.144 H 145.0°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B7828
RGB	rgb(27, 120, 40)
HSL	hsl(128, 63%, 29%)
HSV	hsv(128, 78%, 47%)
CMYK	cmyk(77.5%, 0%, 66.7%, 52.9%)
CIE-LAB	lab(43.97, -43.55, 35.42)
CIE-LCH	lch(43.97, 56.14, 140.88°)
OKLab	oklab(50.26% -0.1176 0.0824)
OKLCH	oklch(50.26% 0.144 145)
XYZ	xyz(7.5509, 13.8183, 4.2763)
Luminance	0.1382 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7828 #781B6B

analogous

#3D781B #1B7828 #1B7857

triadic

#1B7828 #281B78 #78281B

tetradic

#1B7828 #1B3D78 #781B6B #78571B

square

#1B7828 #1B3D78 #781B6B #78571B

split-complementary

#1B7828 #571B78 #781B3D

monochromatic

#061908 #104617 #1B7828 #26AA39 #3BD350

Accessibility & contrast

On white

5.58

#1B7828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#1B7828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7828

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7828	#FFFFFF	#000000	##FFFFFF
##1B7828	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6C1E

Deuteranopia (green-blind)

#70652F

Tritanopia (blue-blind)

#007567

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b7828;
/* rgb */ color: rgb(27, 120, 40);
/* oklch */ color: oklch(50.3% 0.144 145.0);

Tailwind

colors: {
  custom: {
    50: '#68a066',
    500: '#1b7828',
    950: '#000000',
  },
}

SCSS

$custom: #1b7828;
$custom-light: #68a066;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7828",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 40
  },
  "hsl": {
    "h": 128.387,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.50259,
    "c": 0.14361,
    "h": 145
  },
  "luminance": 0.13819
}

Semantic roles & 50–950 ramp

primary

#1B7828

secondary

#AC439D

accent

#41CFE6

background

#F6F9F6

surface

#ECF2EB

border

#C7CCC6

text

#070F06

muted

#7A7E7A

Preview Lab

Preview with #1B7828

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

Preview Lab → · Contrast checker → · Palette generator →