#B1C534#B1C534

#B1C534 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 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#B1C534
RGB	rgb(177, 197, 52)
HSL	hsl(68, 58%, 49%)
HSV	hsv(68, 74%, 77%)
CMYK	cmyk(10.2%, 0%, 73.6%, 22.7%)
CIE-LAB	lab(75.78, -24.95, 65.75)
CIE-LCH	lch(75.78, 70.32, 110.78°)
OKLab	oklab(78.27% -0.075 0.1454)
OKLCH	oklch(78.27% 0.164 117.3)
XYZ	xyz(38.7185, 49.5280, 10.7683)
Luminance	0.4953 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C534 #4834C5

analogous

#C59134 #B1C534 #69C534

triadic

#B1C534 #34B1C5 #C534B1

tetradic

#B1C534 #34C591 #4834C5 #C53469

square

#B1C534 #34C591 #4834C5 #C53469

split-complementary

#B1C534 #3469C5 #9134C5

monochromatic

#5A641A #859527 #B1C534 #C5D561 #D7E291

Accessibility & contrast

On white

1.93

#B1C534 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#B1C534 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C534

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C534	#FFFFFF	#000000	##000000
##B1C534	1.00	1.93	10.91	10.91
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA15

Deuteranopia (green-blind)

#D1BC40

Tritanopia (blue-blind)

#BCBAA9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b1c534;
/* rgb */ color: rgb(177, 197, 52);
/* oklch */ color: oklch(78.3% 0.164 117.3);

Tailwind

colors: {
  custom: {
    50: '#ccd676',
    500: '#b1c534',
    950: '#000000',
  },
}

SCSS

$custom: #b1c534;
$custom-light: #ccd676;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c534",
  "rgb": {
    "r": 177,
    "g": 197,
    "b": 52
  },
  "hsl": {
    "h": 68.276,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.78266,
    "c": 0.16359,
    "h": 117.3
  },
  "luminance": 0.49528
}

Semantic roles & 50–950 ramp

primary

#B1C534

secondary

#9188CD

accent

#46E15C

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#141409

muted

#82837B

Preview Lab

Preview with #B1C534

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

Preview Lab → · Contrast checker → · Palette generator →