#52AC21#52AC21

#52AC21 is a light, vivid yellow-green. Relative luminance 0.314; OKLCH L 66.3% C 0.189 H 137.4°. Best body text is #000000 at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#52AC21
RGB	rgb(82, 172, 33)
HSL	hsl(99, 68%, 40%)
HSV	hsv(99, 81%, 67%)
CMYK	cmyk(52.3%, 0%, 80.8%, 32.5%)
CIE-LAB	lab(62.85, -50.07, 57.68)
CIE-LCH	lch(62.85, 76.38, 130.96°)
OKLab	oklab(66.32% -0.1389 0.1276)
OKLCH	oklch(66.32% 0.189 137.4)
XYZ	xyz(18.5061, 31.4073, 6.5256)
Luminance	0.3141 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52AC21 #7B21AC

analogous

#97AC21 #52AC21 #21AC35

triadic

#52AC21 #2152AC #AC2152

tetradic

#52AC21 #2197AC #7B21AC #AC3521

square

#52AC21 #2197AC #7B21AC #AC3521

split-complementary

#52AC21 #3521AC #AC2197

monochromatic

#21450D #3A7917 #52AC21 #6DD832 #91E266

Accessibility & contrast

On white

2.88

#52AC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.28

#52AC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #52AC21

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52AC21	#FFFFFF	#000000	##000000
##52AC21	1.00	2.88	7.28	7.28
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.28	21.00	1.00	1.00
##000000	7.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A69532

Tritanopia (blue-blind)

#4CA693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #52ac21;
/* rgb */ color: rgb(82, 172, 33);
/* oklch */ color: oklch(66.3% 0.189 137.4);

Tailwind

colors: {
  custom: {
    50: '#8cc569',
    500: '#52ac21',
    950: '#000000',
  },
}

SCSS

$custom: #52ac21;
$custom-light: #8cc569;
$custom-dark: #000000;

JSON

{
  "hex": "#52ac21",
  "rgb": {
    "r": 82,
    "g": 172,
    "b": 33
  },
  "hsl": {
    "h": 98.849,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.66316,
    "c": 0.18865,
    "h": 137.4
  },
  "luminance": 0.31409
}

Semantic roles & 50–950 ramp

primary

#52AC21

secondary

#A362C7

accent

#3DEBAD

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #52AC21

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

Preview Lab → · Contrast checker → · Palette generator →