#B1C548#B1C548

#B1C548 is a light, vivid yellow. Relative luminance 0.497; OKLCH L 78.4% C 0.150 H 117.7°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#B1C548
RGB	rgb(177, 197, 72)
HSL	hsl(70, 52%, 53%)
HSV	hsv(70, 63%, 77%)
CMYK	cmyk(10.2%, 0%, 63.5%, 22.7%)
CIE-LAB	lab(75.91, -23.79, 58.34)
CIE-LCH	lch(75.91, 63.01, 112.18°)
OKLab	oklab(78.42% -0.0699 0.1329)
OKLCH	oklch(78.42% 0.15 117.7)
XYZ	xyz(39.2682, 49.7479, 13.6633)
Luminance	0.4975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C548 #5C48C5

analogous

#C59A48 #B1C548 #72C548

triadic

#B1C548 #48B1C5 #C548B1

tetradic

#B1C548 #48C59A #5C48C5 #C54872

square

#B1C548 #48C59A #5C48C5 #C54872

split-complementary

#B1C548 #4872C5 #9A48C5

monochromatic

#636F23 #8D9E32 #B1C548 #C5D476 #D9E2A5

Accessibility & contrast

On white

1.92

#B1C548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#B1C548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C548

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C548	#FFFFFF	#000000	##000000
##B1C548	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)

#D2BB38

Deuteranopia (green-blind)

#CFBC51

Tritanopia (blue-blind)

#BBBBAB

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b1c548;
/* rgb */ color: rgb(177, 197, 72);
/* oklch */ color: oklch(78.4% 0.150 117.7);

Tailwind

colors: {
  custom: {
    50: '#cbd681',
    500: '#b1c548',
    950: '#000000',
  },
}

SCSS

$custom: #b1c548;
$custom-light: #cbd681;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c548",
  "rgb": {
    "r": 177,
    "g": 197,
    "b": 72
  },
  "hsl": {
    "h": 69.6,
    "s": 51.867,
    "l": 52.745
  },
  "oklch": {
    "l": 0.78418,
    "c": 0.15017,
    "h": 117.7
  },
  "luminance": 0.49747
}

Semantic roles & 50–950 ramp

primary

#B1C548

secondary

#A299CF

accent

#4CDB63

background

#FCFDF8

surface

#F9FAEF

border

#D2D3CA

text

#14140B

muted

#82837C

Preview Lab

Preview with #B1C548

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

Preview Lab → · Contrast checker → · Palette generator →