#56B128#56B128

#56B128 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 67.8% C 0.189 H 137.6°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#56B128
RGB	rgb(86, 177, 40)
HSL	hsl(100, 63%, 43%)
HSV	hsv(100, 77%, 69%)
CMYK	cmyk(51.4%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(64.62, -50.41, 57.25)
CIE-LCH	lch(64.62, 76.28, 131.36°)
OKLab	oklab(67.83% -0.1397 0.1277)
OKLCH	oklch(67.83% 0.189 137.6)
XYZ	xyz(19.9422, 33.5744, 7.4367)
Luminance	0.3358 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#56B128 #8328B1

analogous

#9BB128 #56B128 #28B13E

triadic

#56B128 #2856B1 #B12856

tetradic

#56B128 #289BB1 #8328B1 #B13E28

square

#56B128 #289BB1 #8328B1 #B13E28

split-complementary

#56B128 #3E28B1 #B1289B

monochromatic

#254D11 #3E7F1D #56B128 #73D442 #98E074

Accessibility & contrast

On white

2.72

#56B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#56B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #56B128

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##56B128	#FFFFFF	#000000	##000000
##56B128	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A103

Deuteranopia (green-blind)

#AB9A37

Tritanopia (blue-blind)

#50AB97

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #56b128;
/* rgb */ color: rgb(86, 177, 40);
/* oklch */ color: oklch(67.8% 0.189 137.6);

Tailwind

colors: {
  custom: {
    50: '#8fc96d',
    500: '#56b128',
    950: '#000000',
  },
}

SCSS

$custom: #56b128;
$custom-light: #8fc96d;
$custom-dark: #000000;

JSON

{
  "hex": "#56b128",
  "rgb": {
    "r": 86,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 99.854,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.6783,
    "c": 0.18926,
    "h": 137.6
  },
  "luminance": 0.33576
}

Semantic roles & 50–950 ramp

primary

#56B128

secondary

#A96EC7

accent

#42E6AF

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #56B128

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

Preview Lab → · Contrast checker → · Palette generator →