#5BB428#5BB428

#5BB428 is a light, vivid yellow-green. Relative luminance 0.350; OKLCH L 68.8% C 0.190 H 136.9°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#5BB428
RGB	rgb(91, 180, 40)
HSL	hsl(98, 64%, 43%)
HSV	hsv(98, 78%, 71%)
CMYK	cmyk(49.4%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(65.76, -50.07, 58.41)
CIE-LCH	lch(65.76, 76.93, 130.60°)
OKLab	oklab(68.82% -0.1391 0.13)
OKLCH	oklch(68.82% 0.19 136.9)
XYZ	xyz(21.0180, 35.0184, 7.6588)
Luminance	0.3502 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB428 #8128B4

analogous

#A1B428 #5BB428 #28B43B

triadic

#5BB428 #285BB4 #B4285B

tetradic

#5BB428 #28A1B4 #8128B4 #B43B28

square

#5BB428 #28A1B4 #8128B4 #B43B28

split-complementary

#5BB428 #3B28B4 #B428A1

monochromatic

#285012 #42821D #5BB428 #79D544 #9DE176

Accessibility & contrast

On white

2.62

#5BB428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#5BB428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB428

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB428	#FFFFFF	#000000	##000000
##5BB428	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AF9D38

Tritanopia (blue-blind)

#56AD9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #5bb428;
/* rgb */ color: rgb(91, 180, 40);
/* oklch */ color: oklch(68.8% 0.190 136.9);

Tailwind

colors: {
  custom: {
    50: '#92cb6d',
    500: '#5bb428',
    950: '#000000',
  },
}

SCSS

$custom: #5bb428;
$custom-light: #92cb6d;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb428",
  "rgb": {
    "r": 91,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 98.143,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.68822,
    "c": 0.19042,
    "h": 136.9
  },
  "luminance": 0.3502
}

Semantic roles & 50–950 ramp

primary

#5BB428

secondary

#A870C8

accent

#41E7AA

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #5BB428

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

Preview Lab → · Contrast checker → · Palette generator →