#B4CA15#B4CA15

#B4CA15 is a light, vivid yellow. Relative luminance 0.520; OKLCH L 79.5% C 0.180 H 117.5°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#B4CA15
RGB	rgb(180, 202, 21)
HSL	hsl(67, 81%, 44%)
HSV	hsv(67, 90%, 79%)
CMYK	cmyk(10.9%, 0%, 89.6%, 20.8%)
CIE-LAB	lab(77.28, -27.13, 74.90)
CIE-LCH	lch(77.28, 79.66, 109.91°)
OKLab	oklab(79.49% -0.0831 0.16)
OKLCH	oklch(79.49% 0.18 117.5)
XYZ	xyz(40.0794, 51.9990, 8.6348)
Luminance	0.5200 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4CA15 #2B15CA

analogous

#CA8515 #B4CA15 #59CA15

triadic

#B4CA15 #15B4CA #CA15B4

tetradic

#B4CA15 #15CA85 #2B15CA #CA1559

square

#B4CA15 #15CA85 #2B15CA #CA1559

split-complementary

#B4CA15 #1559CA #8515CA

monochromatic

#515B09 #83930F #B4CA15 #D3EA32 #DFEF6A

Accessibility & contrast

On white

1.84

#B4CA15 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#B4CA15 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4CA15

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4CA15	#FFFFFF	#000000	##000000
##B4CA15	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BE00

Deuteranopia (green-blind)

#D6C02E

Tritanopia (blue-blind)

#C0BEAC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b4ca15;
/* rgb */ color: rgb(180, 202, 21);
/* oklch */ color: oklch(79.5% 0.180 117.5);

Tailwind

colors: {
  custom: {
    50: '#cfda6b',
    500: '#b4ca15',
    950: '#000000',
  },
}

SCSS

$custom: #b4ca15;
$custom-light: #cfda6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ca15",
  "rgb": {
    "r": 180,
    "g": 202,
    "b": 21
  },
  "hsl": {
    "h": 67.293,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.79491,
    "c": 0.18029,
    "h": 117.5
  },
  "luminance": 0.51999
}

Semantic roles & 50–950 ramp

primary

#B4CA15

secondary

#251C67

accent

#30F848

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #B4CA15

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

Preview Lab → · Contrast checker → · Palette generator →