#B3C539#B3C539

#B3C539 is a light, vivid yellow. Relative luminance 0.498; OKLCH L 78.5% C 0.160 H 116.6°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#B3C539
RGB	rgb(179, 197, 57)
HSL	hsl(68, 55%, 50%)
HSV	hsv(68, 71%, 77%)
CMYK	cmyk(9.1%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(75.95, -23.87, 64.24)
CIE-LCH	lch(75.95, 68.53, 110.38°)
OKLab	oklab(78.45% -0.0717 0.143)
OKLCH	oklch(78.45% 0.16 116.6)
XYZ	xyz(39.2961, 49.8121, 11.4147)
Luminance	0.4981 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C539 #4B39C5

analogous

#C59139 #B3C539 #6DC539

triadic

#B3C539 #39B3C5 #C539B3

tetradic

#B3C539 #39C591 #4B39C5 #C5396D

square

#B3C539 #39C591 #4B39C5 #C5396D

split-complementary

#B3C539 #396DC5 #9139C5

monochromatic

#5D661E #88962B #B3C539 #C5D368 #D8E197

Accessibility & contrast

On white

1.92

#B3C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#B3C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C539

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C539	#FFFFFF	#000000	##000000
##B3C539	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB20

Deuteranopia (green-blind)

#D1BC44

Tritanopia (blue-blind)

#BEBAAA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b3c539;
/* rgb */ color: rgb(179, 197, 57);
/* oklch */ color: oklch(78.5% 0.160 116.6);

Tailwind

colors: {
  custom: {
    50: '#cdd679',
    500: '#b3c539',
    950: '#000000',
  },
}

SCSS

$custom: #b3c539;
$custom-light: #cdd679;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c539",
  "rgb": {
    "r": 179,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 67.714,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.78452,
    "c": 0.15993,
    "h": 116.6
  },
  "luminance": 0.49812
}

Semantic roles & 50–950 ramp

primary

#B3C539

secondary

#958DCD

accent

#49DE5D

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#14140A

muted

#83837C

Preview Lab

Preview with #B3C539

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

Preview Lab → · Contrast checker → · Palette generator →