#BBC638#BBC638

#BBC638 is a light, vivid yellow. Relative luminance 0.512; OKLCH L 79.3% C 0.159 H 113.9°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#BBC638
RGB	rgb(187, 198, 56)
HSL	hsl(65, 56%, 50%)
HSV	hsv(65, 72%, 78%)
CMYK	cmyk(5.6%, 0%, 71.7%, 22.4%)
CIE-LAB	lab(76.82, -21.08, 65.64)
CIE-LCH	lch(76.82, 68.94, 107.80°)
OKLab	oklab(79.3% -0.0645 0.1455)
OKLCH	oklch(79.3% 0.159 113.9)
XYZ	xyz(41.4026, 51.2393, 11.4498)
Luminance	0.5124 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC638 #4338C6

analogous

#C68A38 #BBC638 #74C638

triadic

#BBC638 #38BBC6 #C638BB

tetradic

#BBC638 #38C68A #4338C6 #C63874

square

#BBC638 #38C68A #4338C6 #C63874

split-complementary

#BBC638 #3874C6 #8A38C6

monochromatic

#61671D #8E962B #BBC638 #CCD467 #DCE297

Accessibility & contrast

On white

1.87

#BBC638 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#BBC638 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC638

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC638	#FFFFFF	#000000	##000000
##BBC638	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC1D

Deuteranopia (green-blind)

#D4BF43

Tritanopia (blue-blind)

#C7BAAB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #bbc638;
/* rgb */ color: rgb(187, 198, 56);
/* oklch */ color: oklch(79.3% 0.159 113.9);

Tailwind

colors: {
  custom: {
    50: '#d3d778',
    500: '#bbc638',
    950: '#000000',
  },
}

SCSS

$custom: #bbc638;
$custom-light: #d3d778;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc638",
  "rgb": {
    "r": 187,
    "g": 198,
    "b": 56
  },
  "hsl": {
    "h": 64.648,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.79297,
    "c": 0.15916,
    "h": 113.9
  },
  "luminance": 0.51238
}

Semantic roles & 50–950 ramp

primary

#BBC638

secondary

#363171

accent

#49DF54

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#15140A

muted

#84837D

Preview Lab

Preview with #BBC638

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

Preview Lab → · Contrast checker → · Palette generator →