#B1C535#B1C535

#B1C535 is a light, vivid yellow. Relative luminance 0.495; OKLCH L 78.3% C 0.163 H 117.3°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#B1C535
RGB	rgb(177, 197, 53)
HSL	hsl(68, 58%, 49%)
HSV	hsv(68, 73%, 77%)
CMYK	cmyk(10.2%, 0%, 73.1%, 22.7%)
CIE-LAB	lab(75.78, -24.90, 65.42)
CIE-LCH	lch(75.78, 70.00, 110.84°)
OKLab	oklab(78.27% -0.0748 0.1448)
OKLCH	oklch(78.27% 0.163 117.3)
XYZ	xyz(38.7412, 49.5371, 10.8882)
Luminance	0.4954 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C535 #4935C5

analogous

#C59135 #B1C535 #69C535

triadic

#B1C535 #35B1C5 #C535B1

tetradic

#B1C535 #35C591 #4935C5 #C53569

square

#B1C535 #35C591 #4935C5 #C53569

split-complementary

#B1C535 #3569C5 #9135C5

monochromatic

#5A651B #869528 #B1C535 #C5D562 #D7E293

Accessibility & contrast

On white

1.93

#B1C535 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#B1C535 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C535

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C535	#FFFFFF	#000000	##000000
##B1C535	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)

#D2BA18

Deuteranopia (green-blind)

#D0BC41

Tritanopia (blue-blind)

#BCBAA9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b1c535;
/* rgb */ color: rgb(177, 197, 53);
/* oklch */ color: oklch(78.3% 0.163 117.3);

Tailwind

colors: {
  custom: {
    50: '#ccd677',
    500: '#b1c535',
    950: '#000000',
  },
}

SCSS

$custom: #b1c535;
$custom-light: #ccd677;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c535",
  "rgb": {
    "r": 177,
    "g": 197,
    "b": 53
  },
  "hsl": {
    "h": 68.333,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.78272,
    "c": 0.16301,
    "h": 117.3
  },
  "luminance": 0.49537
}

Semantic roles & 50–950 ramp

primary

#B1C535

secondary

#9289CD

accent

#47E15C

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#141409

muted

#82837B

Preview Lab

Preview with #B1C535

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

Preview Lab → · Contrast checker → · Palette generator →