#B5C139#B5C139

#B5C139 is a light, vivid yellow. Relative luminance 0.483; OKLCH L 77.7% C 0.155 H 114.4°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#B5C139
RGB	rgb(181, 193, 57)
HSL	hsl(65, 54%, 49%)
HSV	hsv(65, 70%, 76%)
CMYK	cmyk(6.2%, 0%, 70.5%, 24.3%)
CIE-LAB	lab(74.99, -21.07, 63.34)
CIE-LCH	lch(74.99, 66.75, 108.40°)
OKLab	oklab(77.72% -0.064 0.141)
OKLCH	oklch(77.72% 0.155 114.4)
XYZ	xyz(38.8656, 48.2598, 11.1378)
Luminance	0.4826 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C139 #4539C1

analogous

#C18939 #B5C139 #71C139

triadic

#B5C139 #39B5C1 #C139B5

tetradic

#B5C139 #39C189 #4539C1 #C13971

square

#B5C139 #39C189 #4539C1 #C13971

split-complementary

#B5C139 #3971C1 #8939C1

monochromatic

#5C631D #89922B #B5C139 #C8D266 #D9E095

Accessibility & contrast

On white

1.97

#B5C139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#B5C139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C139

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C139	#FFFFFF	#000000	##000000
##B5C139	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB721

Deuteranopia (green-blind)

#CEBA44

Tritanopia (blue-blind)

#C1B6A6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b5c139;
/* rgb */ color: rgb(181, 193, 57);
/* oklch */ color: oklch(77.7% 0.155 114.4);

Tailwind

colors: {
  custom: {
    50: '#ced378',
    500: '#b5c139',
    950: '#000000',
  },
}

SCSS

$custom: #b5c139;
$custom-light: #ced378;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c139",
  "rgb": {
    "r": 181,
    "g": 193,
    "b": 57
  },
  "hsl": {
    "h": 65.294,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.77715,
    "c": 0.15487,
    "h": 114.4
  },
  "luminance": 0.48259
}

Semantic roles & 50–950 ramp

primary

#B5C139

secondary

#918BCB

accent

#4ADE57

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141409

muted

#83827B

Preview Lab

Preview with #B5C139

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

Preview Lab → · Contrast checker → · Palette generator →