#B5C538#B5C538

#B5C538 is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.6% C 0.160 H 115.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5C538
RGB	rgb(181, 197, 56)
HSL	hsl(67, 56%, 50%)
HSV	hsv(67, 72%, 77%)
CMYK	cmyk(8.1%, 0%, 71.6%, 22.7%)
CIE-LAB	lab(76.10, -23.09, 64.78)
CIE-LCH	lch(76.10, 68.77, 109.62°)
OKLab	oklab(78.6% -0.0697 0.1439)
OKLCH	oklch(78.6% 0.16 115.9)
XYZ	xyz(39.7371, 50.0424, 11.3064)
Luminance	0.5004 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C538 #4838C5

analogous

#C58F38 #B5C538 #6EC538

triadic

#B5C538 #38B5C5 #C538B5

tetradic

#B5C538 #38C58F #4838C5 #C5386E

square

#B5C538 #38C58F #4838C5 #C5386E

split-complementary

#B5C538 #386EC5 #8F38C5

monochromatic

#5D661D #89952A #B5C538 #C7D467 #D9E196

Accessibility & contrast

On white

1.91

#B5C538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#B5C538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C538

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C538	#FFFFFF	#000000	##000000
##B5C538	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1E

Deuteranopia (green-blind)

#D2BD43

Tritanopia (blue-blind)

#C1BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c538;
/* rgb */ color: rgb(181, 197, 56);
/* oklch */ color: oklch(78.6% 0.160 115.9);

Tailwind

colors: {
  custom: {
    50: '#cfd678',
    500: '#b5c538',
    950: '#000000',
  },
}

SCSS

$custom: #b5c538;
$custom-light: #cfd678;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c538",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 56
  },
  "hsl": {
    "h": 66.809,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.78601,
    "c": 0.15989,
    "h": 115.9
  },
  "luminance": 0.50042
}

Semantic roles & 50–950 ramp

primary

#B5C538

secondary

#383170

accent

#49DF5A

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C538

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

Preview Lab → · Contrast checker → · Palette generator →