#B1BC3F#B1BC3F

#B1BC3F is a light, vivid yellow. Relative luminance 0.457; OKLCH L 76.3% C 0.146 H 114.2°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC3F
RGB	rgb(177, 188, 63)
HSL	hsl(65, 50%, 49%)
HSV	hsv(65, 66%, 74%)
CMYK	cmyk(5.9%, 0%, 66.5%, 26.3%)
CIE-LAB	lab(73.33, -19.93, 59.30)
CIE-LCH	lch(73.33, 62.56, 108.58°)
OKLab	oklab(76.33% -0.06 0.1336)
OKLCH	oklch(76.33% 0.146 114.2)
XYZ	xyz(37.0129, 45.6731, 11.5677)
Luminance	0.4567 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC3F #4A3FBC

analogous

#BC893F #B1BC3F #73BC3F

triadic

#B1BC3F #3FB1BC #BC3FB1

tetradic

#B1BC3F #3FBC89 #4A3FBC #BC3F73

square

#B1BC3F #3FBC89 #4A3FBC #BC3F73

split-complementary

#B1BC3F #3F73BC #893FBC

monochromatic

#5B6020 #868E30 #B1BC3F #C5CD6B #D7DD99

Accessibility & contrast

On white

2.07

#B1BC3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#B1BC3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC3F

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC3F	#FFFFFF	#000000	##000000
##B1BC3F	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B32D

Deuteranopia (green-blind)

#C9B548

Tritanopia (blue-blind)

#BCB1A3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc3f;
/* rgb */ color: rgb(177, 188, 63);
/* oklch */ color: oklch(76.3% 0.146 114.2);

Tailwind

colors: {
  custom: {
    50: '#cbd07b',
    500: '#b1bc3f',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc3f;
$custom-light: #cbd07b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc3f",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 63
  },
  "hsl": {
    "h": 65.28,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.76326,
    "c": 0.14645,
    "h": 114.2
  },
  "luminance": 0.45672
}

Semantic roles & 50–950 ramp

primary

#B1BC3F

secondary

#938EC9

accent

#4ED95B

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14130A

muted

#82827C

Preview Lab

Preview with #B1BC3F

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

Preview Lab → · Contrast checker → · Palette generator →