#B4C539#B4C539
#B4C539 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.5% C 0.160 H 116.2°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B4C539 |
|---|---|
| RGB | rgb(180, 197, 57) |
| HSL | hsl(67, 55%, 50%) |
| HSV | hsv(67, 71%, 77%) |
| CMYK | cmyk(8.6%, 0%, 71.1%, 22.7%) |
| CIE-LAB | lab(76.03, -23.45, 64.33) |
| CIE-LCH | lch(76.03, 68.48, 110.03°) |
| OKLab | oklab(78.53% -0.0706 0.1431) |
| OKLCH | oklch(78.53% 0.16 116.2) |
| XYZ | xyz(39.5281, 49.9318, 11.4256) |
| Luminance | 0.4993 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Pea
#A4BF20
ΔE00 2.96
Bile
#B5C306
ΔE00 3.02
Baby Puke Green
#B6C406
ΔE00 3.05
Snot
#ACBB0D
ΔE00 3.40
Green Yellow
#B5CE08
ΔE00 3.66
Gross Green
#A0BF16
ΔE00 3.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4C539 #4A39C5
analogous
#C59039 #B4C539 #6EC539
triadic
#B4C539 #39B4C5 #C539B4
tetradic
#B4C539 #39C590 #4A39C5 #C5396E
square
#B4C539 #39C590 #4A39C5 #C5396E
split-complementary
#B4C539 #396EC5 #9039C5
monochromatic
#5D661E #89962B #B4C539 #C6D368 #D8E197
Accessibility & contrast
On white
1.91
#B4C539 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.99
#B4C539 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #B4C539
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4C539 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B4C539 | 1.00 | 1.91 | 10.99 | 10.99 |
| #FFFFFF | 1.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#D3BB20
Deuteranopia (green-blind)
#D1BC44
Tritanopia (blue-blind)
#BFBAAA
Achromatopsia (no color)
#BBBBBB
Design tokens & code
CSS
--color: #b4c539; /* rgb */ color: rgb(180, 197, 57); /* oklch */ color: oklch(78.5% 0.160 116.2);
Tailwind
colors: {
custom: {
50: '#ced679',
500: '#b4c539',
950: '#000000',
},
}SCSS
$custom: #b4c539; $custom-light: #ced679; $custom-dark: #000000;
JSON
{
"hex": "#b4c539",
"rgb": {
"r": 180,
"g": 197,
"b": 57
},
"hsl": {
"h": 67.286,
"s": 55.118,
"l": 49.804
},
"oklch": {
"l": 0.7853,
"c": 0.1596,
"h": 116.2
},
"luminance": 0.49931
}Semantic roles & 50–950 ramp
primary
#B4C539
secondary
#958DCD
accent
#49DE5B
background
#FDFDF7
surface
#FAFAEE
border
#D3D3C9
text
#14140A
muted
#83837C