#B1C533#B1C533

#B1C533 is a light, vivid yellow. Relative luminance 0.495; OKLCH L 78.3% C 0.164 H 117.3°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#B1C533
RGB	rgb(177, 197, 51)
HSL	hsl(68, 59%, 49%)
HSV	hsv(68, 74%, 77%)
CMYK	cmyk(10.2%, 0%, 74.1%, 22.7%)
CIE-LAB	lab(75.77, -25.00, 66.08)
CIE-LCH	lch(75.77, 70.65, 110.72°)
OKLab	oklab(78.26% -0.0752 0.1459)
OKLCH	oklch(78.26% 0.164 117.3)
XYZ	xyz(38.6962, 49.5191, 10.6510)
Luminance	0.4952 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C533 #4733C5

analogous

#C59033 #B1C533 #68C533

triadic

#B1C533 #33B1C5 #C533B1

tetradic

#B1C533 #33C590 #4733C5 #C53368

square

#B1C533 #33C590 #4733C5 #C53368

split-complementary

#B1C533 #3368C5 #9033C5

monochromatic

#5A641A #859426 #B1C533 #C6D65F #D7E290

Accessibility & contrast

On white

1.93

#B1C533 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#B1C533 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C533

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C533	#FFFFFF	#000000	##000000
##B1C533	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA12

Deuteranopia (green-blind)

#D1BC40

Tritanopia (blue-blind)

#BCBAA9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b1c533;
/* rgb */ color: rgb(177, 197, 51);
/* oklch */ color: oklch(78.3% 0.164 117.3);

Tailwind

colors: {
  custom: {
    50: '#ccd676',
    500: '#b1c533',
    950: '#000000',
  },
}

SCSS

$custom: #b1c533;
$custom-light: #ccd676;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c533",
  "rgb": {
    "r": 177,
    "g": 197,
    "b": 51
  },
  "hsl": {
    "h": 68.219,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.7826,
    "c": 0.16414,
    "h": 117.3
  },
  "luminance": 0.49519
}

Semantic roles & 50–950 ramp

primary

#B1C533

secondary

#9087CD

accent

#46E25B

background

#FDFDF7

surface

#FAFAED

border

#D3D3C8

text

#141409

muted

#83837B

Preview Lab

Preview with #B1C533

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

Preview Lab → · Contrast checker → · Palette generator →