#BBC539#BBC539

#BBC539 is a light, vivid yellow. Relative luminance 0.508; OKLCH L 79.1% C 0.157 H 113.5°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#BBC539
RGB	rgb(187, 197, 57)
HSL	hsl(64, 55%, 50%)
HSV	hsv(64, 71%, 77%)
CMYK	cmyk(5.1%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(76.55, -20.54, 65.03)
CIE-LCH	lch(76.55, 68.19, 107.53°)
OKLab	oklab(79.08% -0.0629 0.1444)
OKLCH	oklch(79.08% 0.157 113.5)
XYZ	xyz(41.1995, 50.7936, 11.5039)
Luminance	0.5079 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC539 #4339C5

analogous

#C58939 #BBC539 #75C539

triadic

#BBC539 #39BBC5 #C539BB

tetradic

#BBC539 #39C589 #4339C5 #C53975

square

#BBC539 #39C589 #4339C5 #C53975

split-complementary

#BBC539 #3975C5 #8939C5

monochromatic

#61661E #8E962B #BBC539 #CCD368 #DCE197

Accessibility & contrast

On white

1.88

#BBC539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#BBC539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC539

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC539	#FFFFFF	#000000	##000000
##BBC539	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC20

Deuteranopia (green-blind)

#D3BE44

Tritanopia (blue-blind)

#C7B9AA

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #bbc539;
/* rgb */ color: rgb(187, 197, 57);
/* oklch */ color: oklch(79.1% 0.157 113.5);

Tailwind

colors: {
  custom: {
    50: '#d3d679',
    500: '#bbc539',
    950: '#000000',
  },
}

SCSS

$custom: #bbc539;
$custom-light: #d3d679;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc539",
  "rgb": {
    "r": 187,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 64.286,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.79083,
    "c": 0.15748,
    "h": 113.5
  },
  "luminance": 0.50793
}

Semantic roles & 50–950 ramp

primary

#BBC539

secondary

#363270

accent

#49DE54

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BBC539

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

Preview Lab → · Contrast checker → · Palette generator →