#5BB728#5BB728

#5BB728 is a light, vivid yellow-green. Relative luminance 0.362; OKLCH L 69.6% C 0.194 H 137.1°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#5BB728
RGB	rgb(91, 183, 40)
HSL	hsl(99, 64%, 44%)
HSV	hsv(99, 78%, 72%)
CMYK	cmyk(50.3%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(66.70, -51.22, 59.31)
CIE-LCH	lch(66.70, 78.37, 130.82°)
OKLab	oklab(69.6% -0.1422 0.1319)
OKLCH	oklch(69.6% 0.194 137.1)
XYZ	xyz(21.6302, 36.2428, 7.8628)
Luminance	0.3624 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB728 #8428B7

analogous

#A2B728 #5BB728 #28B73C

triadic

#5BB728 #285BB7 #B7285B

tetradic

#5BB728 #28A2B7 #8428B7 #B73C28

square

#5BB728 #28A2B7 #8428B7 #B73C28

split-complementary

#5BB728 #3C28B7 #B728A2

monochromatic

#295312 #42851D #5BB728 #79D646 #9EE178

Accessibility & contrast

On white

2.55

#5BB728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#5BB728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB728

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB728	#FFFFFF	#000000	##000000
##5BB728	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#B19F38

Tritanopia (blue-blind)

#55B09C

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #5bb728;
/* rgb */ color: rgb(91, 183, 40);
/* oklch */ color: oklch(69.6% 0.194 137.1);

Tailwind

colors: {
  custom: {
    50: '#92cd6e',
    500: '#5bb728',
    950: '#000000',
  },
}

SCSS

$custom: #5bb728;
$custom-light: #92cd6e;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb728",
  "rgb": {
    "r": 91,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 98.601,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.69597,
    "c": 0.19397,
    "h": 137.1
  },
  "luminance": 0.36244
}

Semantic roles & 50–950 ramp

primary

#5BB728

secondary

#AA72C9

accent

#41E7AC

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #5BB728

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

Preview Lab → · Contrast checker → · Palette generator →