#BBC540#BBC540

#BBC540 is a light, vivid yellow. Relative luminance 0.509; OKLCH L 79.1% C 0.153 H 113.6°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#BBC540
RGB	rgb(187, 197, 64)
HSL	hsl(65, 53%, 51%)
HSV	hsv(65, 68%, 77%)
CMYK	cmyk(5.1%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(76.60, -20.16, 62.48)
CIE-LCH	lch(76.60, 65.65, 107.88°)
OKLab	oklab(79.13% -0.0611 0.1402)
OKLCH	oklch(79.13% 0.153 113.6)
XYZ	xyz(41.3863, 50.8683, 12.4879)
Luminance	0.5087 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC540 #4A40C5

analogous

#C58C40 #BBC540 #78C540

triadic

#BBC540 #40BBC5 #C540BB

tetradic

#BBC540 #40C58C #4A40C5 #C54078

square

#BBC540 #40C58C #4A40C5 #C54078

split-complementary

#BBC540 #4078C5 #8C40C5

monochromatic

#656A20 #91992F #BBC540 #CCD36F #DCE29E

Accessibility & contrast

On white

1.88

#BBC540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#BBC540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC540

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC540	#FFFFFF	#000000	##000000
##BBC540	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2C

Deuteranopia (green-blind)

#D3BE4A

Tritanopia (blue-blind)

#C7BAAA

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #bbc540;
/* rgb */ color: rgb(187, 197, 64);
/* oklch */ color: oklch(79.1% 0.153 113.6);

Tailwind

colors: {
  custom: {
    50: '#d3d67c',
    500: '#bbc540',
    950: '#000000',
  },
}

SCSS

$custom: #bbc540;
$custom-light: #d3d67c;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc540",
  "rgb": {
    "r": 187,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 64.511,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.79134,
    "c": 0.15293,
    "h": 113.6
  },
  "luminance": 0.50867
}

Semantic roles & 50–950 ramp

primary

#BBC540

secondary

#3A3574

accent

#4BDD56

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BBC540

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

Preview Lab → · Contrast checker → · Palette generator →