#52B221#52B221

#52B221 is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 67.9% C 0.196 H 137.8°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#52B221
RGB	rgb(82, 178, 33)
HSL	hsl(100, 69%, 41%)
HSV	hsv(100, 81%, 70%)
CMYK	cmyk(53.9%, 0%, 81.5%, 30.2%)
CIE-LAB	lab(64.76, -52.32, 59.44)
CIE-LCH	lch(64.76, 79.19, 131.36°)
OKLab	oklab(67.89% -0.145 0.1313)
OKLCH	oklch(67.89% 0.196 137.8)
XYZ	xyz(19.6739, 33.7429, 6.9148)
Luminance	0.3374 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52B221 #8121B2

analogous

#9BB221 #52B221 #21B239

triadic

#52B221 #2152B2 #B22152

tetradic

#52B221 #219BB2 #8121B2 #B23921

square

#52B221 #219BB2 #8121B2 #B23921

split-complementary

#52B221 #3921B2 #B2219B

monochromatic

#224B0E #3A7E17 #52B221 #6EDA36 #93E36A

Accessibility & contrast

On white

2.71

#52B221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#52B221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #52B221

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52B221	#FFFFFF	#000000	##000000
##52B221	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AC9A33

Tritanopia (blue-blind)

#4AAC98

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #52b221;
/* rgb */ color: rgb(82, 178, 33);
/* oklch */ color: oklch(67.9% 0.196 137.8);

Tailwind

colors: {
  custom: {
    50: '#8dca6a',
    500: '#52b221',
    950: '#000000',
  },
}

SCSS

$custom: #52b221;
$custom-light: #8dca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#52b221",
  "rgb": {
    "r": 82,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 99.724,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67889,
    "c": 0.1956,
    "h": 137.8
  },
  "luminance": 0.33744
}

Semantic roles & 50–950 ramp

primary

#52B221

secondary

#A866C9

accent

#3CECB0

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #52B221

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

Preview Lab → · Contrast checker → · Palette generator →