#BBB739#BBB739

#BBB739 is a light, vivid yellow. Relative luminance 0.447; OKLCH L 76.0% C 0.143 H 107.6°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#BBB739
RGB	rgb(187, 183, 57)
HSL	hsl(58, 53%, 48%)
HSV	hsv(58, 70%, 73%)
CMYK	cmyk(0%, 2.1%, 69.5%, 26.7%)
CIE-LAB	lab(72.71, -13.50, 61.26)
CIE-LCH	lch(72.71, 62.73, 102.43°)
OKLab	oklab(76.01% -0.0432 0.1364)
OKLCH	oklch(76.01% 0.143 107.6)
XYZ	xyz(38.1669, 44.7284, 10.4931)
Luminance	0.4473 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB739 #393DBB

analogous

#BB7639 #BBB739 #7EBB39

triadic

#BBB739 #39BBB7 #B739BB

tetradic

#BBB739 #39BB76 #393DBB #BB397E

square

#BBB739 #39BB76 #393DBB #BB397E

split-complementary

#BBB739 #397EBB #7639BB

monochromatic

#5D5B1C #8C892B #BBB739 #CFCC62 #DDDB91

Accessibility & contrast

On white

2.11

#BBB739 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#BBB739 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB739

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB739	#FFFFFF	#000000	##000000
##BBB739	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B025

Deuteranopia (green-blind)

#C8B542

Tritanopia (blue-blind)

#C8AB9E

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #bbb739;
/* rgb */ color: rgb(187, 183, 57);
/* oklch */ color: oklch(76.0% 0.143 107.6);

Tailwind

colors: {
  custom: {
    50: '#d3cc77',
    500: '#bbb739',
    950: '#000000',
  },
}

SCSS

$custom: #bbb739;
$custom-light: #d3cc77;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb739",
  "rgb": {
    "r": 187,
    "g": 183,
    "b": 57
  },
  "hsl": {
    "h": 58.154,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.76012,
    "c": 0.14312,
    "h": 107.6
  },
  "luminance": 0.44727
}

Semantic roles & 50–950 ramp

primary

#BBB739

secondary

#8789C8

accent

#50DD4B

background

#FDFCF7

surface

#FAF8EE

border

#D3D1C9

text

#151309

muted

#83827B

Preview Lab

Preview with #BBB739

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

Preview Lab → · Contrast checker → · Palette generator →