#1B8E28#1B8E28

#1B8E28 is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.5% C 0.170 H 144.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B8E28
RGB	rgb(27, 142, 40)
HSL	hsl(127, 68%, 33%)
HSV	hsv(127, 81%, 56%)
CMYK	cmyk(81%, 0%, 71.8%, 44.3%)
CIE-LAB	lab(51.53, -51.12, 43.59)
CIE-LCH	lch(51.53, 67.18, 139.55°)
OKLab	oklab(56.54% -0.1381 0.0997)
OKLCH	oklch(56.54% 0.17 144.2)
XYZ	xyz(10.5073, 19.7309, 5.2618)
Luminance	0.1973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8E28 #8E1B81

analogous

#478E1B #1B8E28 #1B8E61

triadic

#1B8E28 #281B8E #8E281B

tetradic

#1B8E28 #1B478E #8E1B81 #8E611B

square

#1B8E28 #1B478E #8E1B81 #8E611B

split-complementary

#1B8E28 #611B8E #8E1B47

monochromatic

#07270B #115B1A #1B8E28 #25C136 #47DC58

Accessibility & contrast

On white

4.25

#1B8E28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#1B8E28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8E28

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8E28	#FFFFFF	#000000	##000000
##1B8E28	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918018

Deuteranopia (green-blind)

#847732

Tritanopia (blue-blind)

#008A7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #1b8e28;
/* rgb */ color: rgb(27, 142, 40);
/* oklch */ color: oklch(56.5% 0.170 144.2);

Tailwind

colors: {
  custom: {
    50: '#6eb068',
    500: '#1b8e28',
    950: '#000000',
  },
}

SCSS

$custom: #1b8e28;
$custom-light: #6eb068;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8e28",
  "rgb": {
    "r": 27,
    "g": 142,
    "b": 40
  },
  "hsl": {
    "h": 126.783,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.56539,
    "c": 0.17035,
    "h": 144.2
  },
  "luminance": 0.19732
}

Semantic roles & 50–950 ramp

primary

#1B8E28

secondary

#BE47B0

accent

#3DD7EB

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #1B8E28

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

Preview Lab → · Contrast checker → · Palette generator →