#B3CA15#B3CA15

#B3CA15 is a light, vivid yellow. Relative luminance 0.519; OKLCH L 79.4% C 0.181 H 117.8°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#B3CA15
RGB	rgb(179, 202, 21)
HSL	hsl(68, 81%, 44%)
HSV	hsv(68, 90%, 79%)
CMYK	cmyk(11.4%, 0%, 89.6%, 20.8%)
CIE-LAB	lab(77.21, -27.54, 74.81)
CIE-LCH	lch(77.21, 79.72, 110.21°)
OKLab	oklab(79.42% -0.0842 0.1598)
OKLCH	oklch(79.42% 0.181 117.8)
XYZ	xyz(39.8474, 51.8794, 8.6239)
Luminance	0.5188 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CA15 #2C15CA

analogous

#CA8615 #B3CA15 #58CA15

triadic

#B3CA15 #15B3CA #CA15B3

tetradic

#B3CA15 #15CA86 #2C15CA #CA1558

square

#B3CA15 #15CA86 #2C15CA #CA1558

split-complementary

#B3CA15 #1558CA #8615CA

monochromatic

#515B09 #82930F #B3CA15 #D2EA32 #DFEF6A

Accessibility & contrast

On white

1.85

#B3CA15 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#B3CA15 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CA15

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CA15	#FFFFFF	#000000	##000000
##B3CA15	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BE00

Deuteranopia (green-blind)

#D6BF2E

Tritanopia (blue-blind)

#BFBEAC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b3ca15;
/* rgb */ color: rgb(179, 202, 21);
/* oklch */ color: oklch(79.4% 0.181 117.8);

Tailwind

colors: {
  custom: {
    50: '#ceda6b',
    500: '#b3ca15',
    950: '#000000',
  },
}

SCSS

$custom: #b3ca15;
$custom-light: #ceda6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ca15",
  "rgb": {
    "r": 179,
    "g": 202,
    "b": 21
  },
  "hsl": {
    "h": 67.624,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.79415,
    "c": 0.18066,
    "h": 117.8
  },
  "luminance": 0.51879
}

Semantic roles & 50–950 ramp

primary

#B3CA15

secondary

#261C67

accent

#30F84A

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #B3CA15

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

Preview Lab → · Contrast checker → · Palette generator →