#5BB228#5BB228

#5BB228 is a light, vivid yellow-green. Relative luminance 0.342; OKLCH L 68.3% C 0.188 H 136.8°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#5BB228
RGB	rgb(91, 178, 40)
HSL	hsl(98, 63%, 43%)
HSV	hsv(98, 78%, 70%)
CMYK	cmyk(48.9%, 0%, 77.5%, 30.2%)
CIE-LAB	lab(65.13, -49.29, 57.81)
CIE-LCH	lch(65.13, 75.97, 130.45°)
OKLab	oklab(68.31% -0.137 0.1288)
OKLCH	oklch(68.31% 0.188 136.8)
XYZ	xyz(20.6172, 34.2167, 7.5252)
Luminance	0.3422 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB228 #7F28B2

analogous

#A0B228 #5BB228 #28B23A

triadic

#5BB228 #285BB2 #B2285B

tetradic

#5BB228 #28A0B2 #7F28B2 #B23A28

square

#5BB228 #28A0B2 #7F28B2 #B23A28

split-complementary

#5BB228 #3A28B2 #B228A0

monochromatic

#284E12 #41801D #5BB228 #79D543 #9CE075

Accessibility & contrast

On white

2.68

#5BB228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#5BB228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB228

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB228	#FFFFFF	#000000	##000000
##5BB228	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A302

Deuteranopia (green-blind)

#AD9B37

Tritanopia (blue-blind)

#56AB98

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #5bb228;
/* rgb */ color: rgb(91, 178, 40);
/* oklch */ color: oklch(68.3% 0.188 136.8);

Tailwind

colors: {
  custom: {
    50: '#92ca6d',
    500: '#5bb228',
    950: '#000000',
  },
}

SCSS

$custom: #5bb228;
$custom-light: #92ca6d;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb228",
  "rgb": {
    "r": 91,
    "g": 178,
    "b": 40
  },
  "hsl": {
    "h": 97.826,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.68305,
    "c": 0.18804,
    "h": 136.8
  },
  "luminance": 0.34218
}

Semantic roles & 50–950 ramp

primary

#5BB228

secondary

#A66FC7

accent

#41E6A9

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #5BB228

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

Preview Lab → · Contrast checker → · Palette generator →