#B1C545#B1C545

#B1C545 is a light, vivid yellow. Relative luminance 0.497; OKLCH L 78.4% C 0.152 H 117.7°. Best body text is #000000 at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#B1C545
RGB	rgb(177, 197, 69)
HSL	hsl(69, 52%, 52%)
HSV	hsv(69, 65%, 77%)
CMYK	cmyk(10.2%, 0%, 65%, 22.7%)
CIE-LAB	lab(75.89, -23.99, 59.55)
CIE-LCH	lch(75.89, 64.20, 111.94°)
OKLab	oklab(78.39% -0.0708 0.135)
OKLCH	oklch(78.39% 0.152 117.7)
XYZ	xyz(39.1727, 49.7097, 13.1604)
Luminance	0.4971 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C545 #5945C5

analogous

#C59945 #B1C545 #71C545

triadic

#B1C545 #45B1C5 #C545B1

tetradic

#B1C545 #45C599 #5945C5 #C54571

square

#B1C545 #45C599 #5945C5 #C54571

split-complementary

#B1C545 #4571C5 #9945C5

monochromatic

#626D22 #8B9C31 #B1C545 #C5D474 #D8E2A2

Accessibility & contrast

On white

1.92

#B1C545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.94

#B1C545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C545

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C545	#FFFFFF	#000000	##000000
##B1C545	1.00	1.92	10.94	10.94
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.94	21.00	1.00	1.00
##000000	10.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB34

Deuteranopia (green-blind)

#D0BC4E

Tritanopia (blue-blind)

#BBBBAB

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b1c545;
/* rgb */ color: rgb(177, 197, 69);
/* oklch */ color: oklch(78.4% 0.152 117.7);

Tailwind

colors: {
  custom: {
    50: '#cbd67f',
    500: '#b1c545',
    950: '#000000',
  },
}

SCSS

$custom: #b1c545;
$custom-light: #cbd67f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c545",
  "rgb": {
    "r": 177,
    "g": 197,
    "b": 69
  },
  "hsl": {
    "h": 69.375,
    "s": 52.459,
    "l": 52.157
  },
  "oklch": {
    "l": 0.78392,
    "c": 0.15243,
    "h": 117.7
  },
  "luminance": 0.49709
}

Semantic roles & 50–950 ramp

primary

#B1C545

secondary

#A097CF

accent

#4CDC62

background

#FCFDF8

surface

#F9FAEF

border

#D2D3CA

text

#14140A

muted

#82837C

Preview Lab

Preview with #B1C545

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

Preview Lab → · Contrast checker → · Palette generator →