#B5C53A#B5C53A

#B5C53A is a light, vivid yellow. Relative luminance 0.501; OKLCH L 78.6% C 0.159 H 115.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5C53A
RGB	rgb(181, 197, 58)
HSL	hsl(67, 55%, 50%)
HSV	hsv(67, 71%, 77%)
CMYK	cmyk(8.1%, 0%, 70.6%, 22.7%)
CIE-LAB	lab(76.11, -22.99, 64.08)
CIE-LCH	lch(76.11, 68.08, 109.73°)
OKLab	oklab(78.61% -0.0693 0.1427)
OKLCH	oklch(78.61% 0.159 115.9)
XYZ	xyz(39.7870, 50.0623, 11.5692)
Luminance	0.5006 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C53A #4A3AC5

analogous

#C58F3A #B5C53A #70C53A

triadic

#B5C53A #3AB5C5 #C53AB5

tetradic

#B5C53A #3AC58F #4A3AC5 #C53A70

square

#B5C53A #3AC58F #4A3AC5 #C53A70

split-complementary

#B5C53A #3A70C5 #8F3AC5

monochromatic

#5E661E #8A962C #B5C53A #C7D369 #D9E199

Accessibility & contrast

On white

1.91

#B5C53A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#B5C53A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C53A

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C53A	#FFFFFF	#000000	##000000
##B5C53A	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB22

Deuteranopia (green-blind)

#D1BD45

Tritanopia (blue-blind)

#C0BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c53a;
/* rgb */ color: rgb(181, 197, 58);
/* oklch */ color: oklch(78.6% 0.159 115.9);

Tailwind

colors: {
  custom: {
    50: '#cfd679',
    500: '#b5c53a',
    950: '#000000',
  },
}

SCSS

$custom: #b5c53a;
$custom-light: #cfd679;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c53a",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 58
  },
  "hsl": {
    "h": 66.906,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.78615,
    "c": 0.15865,
    "h": 115.9
  },
  "luminance": 0.50062
}

Semantic roles & 50–950 ramp

primary

#B5C53A

secondary

#3A3271

accent

#4ADE5B

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C53A

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

Preview Lab → · Contrast checker → · Palette generator →