#56AC21#56AC21

#56AC21 is a light, vivid yellow-green. Relative luminance 0.316; OKLCH L 66.5% C 0.187 H 136.7°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#56AC21
RGB	rgb(86, 172, 33)
HSL	hsl(97, 68%, 40%)
HSV	hsv(97, 81%, 67%)
CMYK	cmyk(50%, 0%, 80.8%, 32.5%)
CIE-LAB	lab(63.00, -48.88, 57.88)
CIE-LCH	lch(63.00, 75.76, 130.18°)
OKLab	oklab(66.49% -0.136 0.128)
OKLCH	oklch(66.49% 0.187 136.7)
XYZ	xyz(18.8642, 31.5920, 6.5424)
Luminance	0.3159 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#56AC21 #7721AC

analogous

#9CAC21 #56AC21 #21AC31

triadic

#56AC21 #2156AC #AC2156

tetradic

#56AC21 #219CAC #7721AC #AC3121

square

#56AC21 #219CAC #7721AC #AC3121

split-complementary

#56AC21 #3121AC #AC219C

monochromatic

#23450D #3C7917 #56AC21 #71D832 #95E266

Accessibility & contrast

On white

2.87

#56AC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#56AC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #56AC21

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##56AC21	#FFFFFF	#000000	##000000
##56AC21	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A79632

Tritanopia (blue-blind)

#51A693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #56ac21;
/* rgb */ color: rgb(86, 172, 33);
/* oklch */ color: oklch(66.5% 0.187 136.7);

Tailwind

colors: {
  custom: {
    50: '#8ec569',
    500: '#56ac21',
    950: '#000000',
  },
}

SCSS

$custom: #56ac21;
$custom-light: #8ec569;
$custom-dark: #000000;

JSON

{
  "hex": "#56ac21",
  "rgb": {
    "r": 86,
    "g": 172,
    "b": 33
  },
  "hsl": {
    "h": 97.122,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.66486,
    "c": 0.18674,
    "h": 136.7
  },
  "luminance": 0.31593
}

Semantic roles & 50–950 ramp

primary

#56AC21

secondary

#A062C7

accent

#3DEBA9

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #56AC21

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

Preview Lab → · Contrast checker → · Palette generator →