#B1C549#B1C549

#B1C549 is a light, vivid yellow. Relative luminance 0.498; OKLCH L 78.4% C 0.149 H 117.8°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#B1C549
RGB	rgb(177, 197, 73)
HSL	hsl(70, 52%, 53%)
HSV	hsv(70, 63%, 77%)
CMYK	cmyk(10.2%, 0%, 62.9%, 22.7%)
CIE-LAB	lab(75.92, -23.72, 57.94)
CIE-LCH	lch(75.92, 62.60, 112.26°)
OKLab	oklab(78.43% -0.0696 0.1322)
OKLCH	oklch(78.43% 0.149 117.8)
XYZ	xyz(39.3010, 49.7610, 13.8365)
Luminance	0.4976 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C549 #5D49C5

analogous

#C59B49 #B1C549 #73C549

triadic

#B1C549 #49B1C5 #C549B1

tetradic

#B1C549 #49C59B #5D49C5 #C54973

square

#B1C549 #49C59B #5D49C5 #C54973

split-complementary

#B1C549 #4973C5 #9B49C5

monochromatic

#647024 #8D9E32 #B1C549 #C5D477 #D9E3A6

Accessibility & contrast

On white

1.92

#B1C549 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#B1C549 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C549

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C549	#FFFFFF	#000000	##000000
##B1C549	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BB39

Deuteranopia (green-blind)

#CFBC52

Tritanopia (blue-blind)

#BBBBAB

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b1c549;
/* rgb */ color: rgb(177, 197, 73);
/* oklch */ color: oklch(78.4% 0.149 117.8);

Tailwind

colors: {
  custom: {
    50: '#cbd681',
    500: '#b1c549',
    950: '#000000',
  },
}

SCSS

$custom: #b1c549;
$custom-light: #cbd681;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c549",
  "rgb": {
    "r": 177,
    "g": 197,
    "b": 73
  },
  "hsl": {
    "h": 69.677,
    "s": 51.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.78427,
    "c": 0.14939,
    "h": 117.8
  },
  "luminance": 0.49761
}

Semantic roles & 50–950 ramp

primary

#B1C549

secondary

#A39AD0

accent

#4DDB64

background

#FCFDF8

surface

#F9FAEF

border

#D2D3CA

text

#14140B

muted

#82837C

Preview Lab

Preview with #B1C549

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

Preview Lab → · Contrast checker → · Palette generator →