#BBC337#BBC337

#BBC337 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.6% C 0.157 H 112.8°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#BBC337
RGB	rgb(187, 195, 55)
HSL	hsl(63, 56%, 49%)
HSV	hsv(63, 72%, 76%)
CMYK	cmyk(4.1%, 0%, 71.8%, 23.5%)
CIE-LAB	lab(75.99, -19.64, 65.19)
CIE-LCH	lch(75.99, 68.08, 106.77°)
OKLab	oklab(78.63% -0.0606 0.1444)
OKLCH	oklch(78.63% 0.157 112.8)
XYZ	xyz(40.6995, 49.8718, 11.0959)
Luminance	0.4987 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC337 #3F37C3

analogous

#C38537 #BBC337 #75C337

triadic

#BBC337 #37BBC3 #C337BB

tetradic

#BBC337 #37C385 #3F37C3 #C33775

square

#BBC337 #37C385 #3F37C3 #C33775

split-complementary

#BBC337 #3775C3 #8537C3

monochromatic

#5F641C #8D932A #BBC337 #CDD364 #DCE194

Accessibility & contrast

On white

1.91

#BBC337 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#BBC337 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC337

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC337	#FFFFFF	#000000	##000000
##BBC337	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA1D

Deuteranopia (green-blind)

#D2BD42

Tritanopia (blue-blind)

#C8B7A8

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #bbc337;
/* rgb */ color: rgb(187, 195, 55);
/* oklch */ color: oklch(78.6% 0.157 112.8);

Tailwind

colors: {
  custom: {
    50: '#d3d577',
    500: '#bbc337',
    950: '#000000',
  },
}

SCSS

$custom: #bbc337;
$custom-light: #d3d577;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc337",
  "rgb": {
    "r": 187,
    "g": 195,
    "b": 55
  },
  "hsl": {
    "h": 63.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.78628,
    "c": 0.15658,
    "h": 112.8
  },
  "luminance": 0.49871
}

Semantic roles & 50–950 ramp

primary

#BBC337

secondary

#8E8ACC

accent

#49DF51

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#151409

muted

#83837B

Preview Lab

Preview with #BBC337

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

Preview Lab → · Contrast checker → · Palette generator →