#55AC28#55AC28

#55AC28 is a light, vivid yellow-green. Relative luminance 0.316; OKLCH L 66.5% C 0.184 H 137.4°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#55AC28
RGB	rgb(85, 172, 40)
HSL	hsl(100, 62%, 42%)
HSV	hsv(100, 77%, 67%)
CMYK	cmyk(50.6%, 0%, 76.7%, 32.5%)
CIE-LAB	lab(63.00, -48.78, 55.67)
CIE-LCH	lch(63.00, 74.02, 131.22°)
OKLab	oklab(66.48% -0.1352 0.1244)
OKLCH	oklch(66.48% 0.184 137.4)
XYZ	xyz(18.8812, 31.5882, 7.1093)
Luminance	0.3159 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55AC28 #7F28AC

analogous

#97AC28 #55AC28 #28AC3D

triadic

#55AC28 #2855AC #AC2855

tetradic

#55AC28 #2897AC #7F28AC #AC3D28

square

#55AC28 #2897AC #7F28AC #AC3D28

split-complementary

#55AC28 #3D28AC #AC2897

monochromatic

#244911 #3C7A1C #55AC28 #71D23F #96DE71

Accessibility & contrast

On white

2.87

#55AC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#55AC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55AC28

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55AC28	#FFFFFF	#000000	##000000
##55AC28	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)

#B29D07

Deuteranopia (green-blind)

#A69636

Tritanopia (blue-blind)

#4FA693

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #55ac28;
/* rgb */ color: rgb(85, 172, 40);
/* oklch */ color: oklch(66.5% 0.184 137.4);

Tailwind

colors: {
  custom: {
    50: '#8dc56c',
    500: '#55ac28',
    950: '#000000',
  },
}

SCSS

$custom: #55ac28;
$custom-light: #8dc56c;
$custom-dark: #000000;

JSON

{
  "hex": "#55ac28",
  "rgb": {
    "r": 85,
    "g": 172,
    "b": 40
  },
  "hsl": {
    "h": 99.545,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.66484,
    "c": 0.18375,
    "h": 137.4
  },
  "luminance": 0.3159
}

Semantic roles & 50–950 ramp

primary

#55AC28

secondary

#A66BC5

accent

#42E5AE

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55AC28

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

Preview Lab → · Contrast checker → · Palette generator →