#1B8D28#1B8D28

#1B8D28 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.3% C 0.169 H 144.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B8D28
RGB	rgb(27, 141, 40)
HSL	hsl(127, 68%, 33%)
HSV	hsv(127, 81%, 55%)
CMYK	cmyk(80.9%, 0%, 71.6%, 44.7%)
CIE-LAB	lab(51.19, -50.78, 43.23)
CIE-LCH	lch(51.19, 66.69, 139.60°)
OKLab	oklab(56.26% -0.1372 0.0989)
OKLCH	oklch(56.26% 0.169 144.2)
XYZ	xyz(10.3592, 19.4347, 5.2124)
Luminance	0.1944 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8D28 #8D1B80

analogous

#478D1B #1B8D28 #1B8D61

triadic

#1B8D28 #281B8D #8D281B

tetradic

#1B8D28 #1B478D #8D1B80 #8D611B

square

#1B8D28 #1B478D #8D1B80 #8D611B

split-complementary

#1B8D28 #611B8D #8D1B47

monochromatic

#07260B #115A19 #1B8D28 #25C037 #47DC58

Accessibility & contrast

On white

4.30

#1B8D28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#1B8D28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8D28

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8D28	#FFFFFF	#000000	##000000
##1B8D28	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F19

Deuteranopia (green-blind)

#837732

Tritanopia (blue-blind)

#008979

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1b8d28;
/* rgb */ color: rgb(27, 141, 40);
/* oklch */ color: oklch(56.3% 0.169 144.2);

Tailwind

colors: {
  custom: {
    50: '#6daf68',
    500: '#1b8d28',
    950: '#000000',
  },
}

SCSS

$custom: #1b8d28;
$custom-light: #6daf68;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8d28",
  "rgb": {
    "r": 27,
    "g": 141,
    "b": 40
  },
  "hsl": {
    "h": 126.842,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.56256,
    "c": 0.16918,
    "h": 144.2
  },
  "luminance": 0.19436
}

Semantic roles & 50–950 ramp

primary

#1B8D28

secondary

#BD46B0

accent

#3DD7EB

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081106

muted

#7B807A

Preview Lab

Preview with #1B8D28

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

Preview Lab → · Contrast checker → · Palette generator →