#52AD21#52AD21

#52AD21 is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.6% C 0.190 H 137.5°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#52AD21
RGB	rgb(82, 173, 33)
HSL	hsl(99, 68%, 40%)
HSV	hsv(99, 81%, 68%)
CMYK	cmyk(52.6%, 0%, 80.9%, 32.2%)
CIE-LAB	lab(63.17, -50.45, 57.98)
CIE-LCH	lch(63.17, 76.85, 131.03°)
OKLab	oklab(66.58% -0.1399 0.1282)
OKLCH	oklch(66.58% 0.19 137.5)
XYZ	xyz(18.6971, 31.7894, 6.5893)
Luminance	0.3179 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52AD21 #7C21AD

analogous

#98AD21 #52AD21 #21AD36

triadic

#52AD21 #2152AD #AD2152

tetradic

#52AD21 #2198AD #7C21AD #AD3621

square

#52AD21 #2198AD #7C21AD #AD3621

split-complementary

#52AD21 #3621AD #AD2198

monochromatic

#21460D #3A7A17 #52AD21 #6DD833 #92E266

Accessibility & contrast

On white

2.85

#52AD21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#52AD21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #52AD21

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52AD21	#FFFFFF	#000000	##000000
##52AD21	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#A79632

Tritanopia (blue-blind)

#4BA793

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #52ad21;
/* rgb */ color: rgb(82, 173, 33);
/* oklch */ color: oklch(66.6% 0.190 137.5);

Tailwind

colors: {
  custom: {
    50: '#8cc669',
    500: '#52ad21',
    950: '#000000',
  },
}

SCSS

$custom: #52ad21;
$custom-light: #8cc669;
$custom-dark: #000000;

JSON

{
  "hex": "#52ad21",
  "rgb": {
    "r": 82,
    "g": 173,
    "b": 33
  },
  "hsl": {
    "h": 99,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66579,
    "c": 0.18982,
    "h": 137.5
  },
  "luminance": 0.31791
}

Semantic roles & 50–950 ramp

primary

#52AD21

secondary

#A462C7

accent

#3DEBAE

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #52AD21

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

Preview Lab → · Contrast checker → · Palette generator →