#B1B228#B1B228

#B1B228 is a light, vivid yellow. Relative luminance 0.413; OKLCH L 73.9% C 0.150 H 110.0°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#B1B228
RGB	rgb(177, 178, 40)
HSL	hsl(60, 63%, 43%)
HSV	hsv(60, 78%, 70%)
CMYK	cmyk(0.6%, 0%, 77.5%, 30.2%)
CIE-LAB	lab(70.41, -16.03, 64.63)
CIE-LCH	lch(70.41, 66.58, 103.93°)
OKLab	oklab(73.95% -0.0513 0.1409)
OKLCH	oklch(73.95% 0.15 110)
XYZ	xyz(34.4361, 41.3421, 8.1729)
Luminance	0.4134 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B228 #2928B2

analogous

#B26E28 #B1B228 #6CB228

triadic

#B1B228 #28B1B2 #B228B1

tetradic

#B1B228 #28B26E #2928B2 #B2286C

square

#B1B228 #28B26E #2928B2 #B2286C

split-complementary

#B1B228 #286CB2 #6E28B2

monochromatic

#4E4E12 #7F801D #B1B228 #D4D543 #DFE075

Accessibility & contrast

On white

2.27

#B1B228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#B1B228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B228

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B228	#FFFFFF	#000000	##000000
##B1B228	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#C2AE34

Tritanopia (blue-blind)

#BEA699

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #b1b228;
/* rgb */ color: rgb(177, 178, 40);
/* oklch */ color: oklch(73.9% 0.150 110.0);

Tailwind

colors: {
  custom: {
    50: '#ccc86e',
    500: '#b1b228',
    950: '#000000',
  },
}

SCSS

$custom: #b1b228;
$custom-light: #ccc86e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b228",
  "rgb": {
    "r": 177,
    "g": 178,
    "b": 40
  },
  "hsl": {
    "h": 60.435,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.73946,
    "c": 0.14991,
    "h": 110
  },
  "luminance": 0.41341
}

Semantic roles & 50–950 ramp

primary

#B1B228

secondary

#6F6FC7

accent

#41E643

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B228

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

Preview Lab → · Contrast checker → · Palette generator →