#5BBC28#5BBC28

#5BBC28 is a light, vivid yellow-green. Relative luminance 0.383; OKLCH L 70.9% C 0.200 H 137.5°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#5BBC28
RGB	rgb(91, 188, 40)
HSL	hsl(99, 65%, 45%)
HSV	hsv(99, 79%, 74%)
CMYK	cmyk(51.6%, 0%, 78.7%, 26.3%)
CIE-LAB	lab(68.27, -53.12, 60.79)
CIE-LCH	lch(68.27, 80.73, 131.14°)
OKLab	oklab(70.89% -0.1473 0.135)
OKLCH	oklch(70.89% 0.2 137.5)
XYZ	xyz(22.6799, 38.3421, 8.2127)
Luminance	0.3834 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBC28 #8928BC

analogous

#A5BC28 #5BBC28 #28BC3F

triadic

#5BBC28 #285BBC #BC285B

tetradic

#5BBC28 #28A5BC #8928BC #BC3F28

square

#5BBC28 #28A5BC #8928BC #BC3F28

split-complementary

#5BBC28 #3F28BC #BC28A5

monochromatic

#2A5713 #438A1D #5BBC28 #7AD849 #9FE37B

Accessibility & contrast

On white

2.42

#5BBC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#5BBC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBC28

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBC28	#FFFFFF	#000000	##000000
##5BBC28	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#B6A339

Tritanopia (blue-blind)

#54B5A1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #5bbc28;
/* rgb */ color: rgb(91, 188, 40);
/* oklch */ color: oklch(70.9% 0.200 137.5);

Tailwind

colors: {
  custom: {
    50: '#93d16e',
    500: '#5bbc28',
    950: '#000000',
  },
}

SCSS

$custom: #5bbc28;
$custom-light: #93d16e;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbc28",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 40
  },
  "hsl": {
    "h": 99.324,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.70888,
    "c": 0.19981,
    "h": 137.5
  },
  "luminance": 0.38344
}

Semantic roles & 50–950 ramp

primary

#5BBC28

secondary

#AD75CB

accent

#40E8AE

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #5BBC28

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

Preview Lab → · Contrast checker → · Palette generator →