#B9B23B#B9B23B

#B9B23B is a light, vivid yellow. Relative luminance 0.425; OKLCH L 74.8% C 0.137 H 106.0°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#B9B23B
RGB	rgb(185, 178, 59)
HSL	hsl(57, 52%, 48%)
HSV	hsv(57, 68%, 73%)
CMYK	cmyk(0%, 3.8%, 68.1%, 27.5%)
CIE-LAB	lab(71.20, -11.69, 58.91)
CIE-LCH	lch(71.20, 60.06, 101.22°)
OKLab	oklab(74.77% -0.0377 0.1319)
OKLCH	oklch(74.77% 0.137 106)
XYZ	xyz(36.7188, 42.4721, 10.4006)
Luminance	0.4247 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9B23B #3B42B9

analogous

#B9733B #B9B23B #81B93B

triadic

#B9B23B #3BB9B2 #B23BB9

tetradic

#B9B23B #3BB973 #3B42B9 #B93B81

square

#B9B23B #3BB973 #3B42B9 #B93B81

split-complementary

#B9B23B #3B81B9 #733BB9

monochromatic

#5C591D #8B852C #B9B23B #CDC864 #DCD892

Accessibility & contrast

On white

2.21

#B9B23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#B9B23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9B23B

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9B23B	#FFFFFF	#000000	##000000
##B9B23B	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AC2A

Deuteranopia (green-blind)

#C4B143

Tritanopia (blue-blind)

#C6A69A

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b9b23b;
/* rgb */ color: rgb(185, 178, 59);
/* oklch */ color: oklch(74.8% 0.137 106.0);

Tailwind

colors: {
  custom: {
    50: '#d1c878',
    500: '#b9b23b',
    950: '#000000',
  },
}

SCSS

$custom: #b9b23b;
$custom-light: #d1c878;
$custom-dark: #000000;

JSON

{
  "hex": "#b9b23b",
  "rgb": {
    "r": 185,
    "g": 178,
    "b": 59
  },
  "hsl": {
    "h": 56.667,
    "s": 51.639,
    "l": 47.843
  },
  "oklch": {
    "l": 0.74767,
    "c": 0.13719,
    "h": 106
  },
  "luminance": 0.42471
}

Semantic roles & 50–950 ramp

primary

#B9B23B

secondary

#888CC7

accent

#55DB4D

background

#FDFCF7

surface

#FAF8EE

border

#D3D1C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B9B23B

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

Preview Lab → · Contrast checker → · Palette generator →