#B4C540#B4C540

#B4C540 is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.6% C 0.155 H 116.4°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#B4C540
RGB	rgb(180, 197, 64)
HSL	hsl(68, 53%, 51%)
HSV	hsv(68, 68%, 77%)
CMYK	cmyk(8.6%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(76.07, -23.07, 61.78)
CIE-LCH	lch(76.07, 65.94, 110.47°)
OKLab	oklab(78.58% -0.0688 0.1389)
OKLCH	oklch(78.58% 0.155 116.4)
XYZ	xyz(39.7150, 50.0065, 12.4095)
Luminance	0.5001 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C540 #5140C5

analogous

#C59340 #B4C540 #71C540

triadic

#B4C540 #40B4C5 #C540B4

tetradic

#B4C540 #40C593 #5140C5 #C54071

square

#B4C540 #40C593 #5140C5 #C54071

split-complementary

#B4C540 #4071C5 #9340C5

monochromatic

#616A20 #8C992F #B4C540 #C6D36F #D9E29E

Accessibility & contrast

On white

1.91

#B4C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#B4C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C540

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C540	#FFFFFF	#000000	##000000
##B4C540	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2C

Deuteranopia (green-blind)

#D1BC4A

Tritanopia (blue-blind)

#BFBAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b4c540;
/* rgb */ color: rgb(180, 197, 64);
/* oklch */ color: oklch(78.6% 0.155 116.4);

Tailwind

colors: {
  custom: {
    50: '#ced67c',
    500: '#b4c540',
    950: '#000000',
  },
}

SCSS

$custom: #b4c540;
$custom-light: #ced67c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c540",
  "rgb": {
    "r": 180,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 67.669,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78581,
    "c": 0.15502,
    "h": 116.4
  },
  "luminance": 0.50006
}

Semantic roles & 50–950 ramp

primary

#B4C540

secondary

#3D3574

accent

#4BDD5E

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C540

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

Preview Lab → · Contrast checker → · Palette generator →