#B5C640#B5C640

#B5C640 is a light, vivid yellow. Relative luminance 0.506; OKLCH L 78.9% C 0.156 H 116.3°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#B5C640
RGB	rgb(181, 198, 64)
HSL	hsl(68, 54%, 51%)
HSV	hsv(68, 68%, 78%)
CMYK	cmyk(8.6%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(76.43, -23.14, 62.16)
CIE-LCH	lch(76.43, 66.33, 110.42°)
OKLab	oklab(78.88% -0.0691 0.1397)
OKLCH	oklch(78.88% 0.156 116.3)
XYZ	xyz(40.1765, 50.5826, 12.4964)
Luminance	0.5058 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C640 #5140C6

analogous

#C69440 #B5C640 #72C640

triadic

#B5C640 #40B5C6 #C640B5

tetradic

#B5C640 #40C694 #5140C6 #C64072

square

#B5C640 #40C694 #5140C6 #C64072

split-complementary

#B5C640 #4072C6 #9440C6

monochromatic

#626C20 #8D9B2E #B5C640 #C7D46F #DAE29E

Accessibility & contrast

On white

1.89

#B5C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#B5C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C640

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C640	#FFFFFF	#000000	##000000
##B5C640	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2C

Deuteranopia (green-blind)

#D2BD4A

Tritanopia (blue-blind)

#C0BBAB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c640;
/* rgb */ color: rgb(181, 198, 64);
/* oklch */ color: oklch(78.9% 0.156 116.3);

Tailwind

colors: {
  custom: {
    50: '#ced77c',
    500: '#b5c640',
    950: '#000000',
  },
}

SCSS

$custom: #b5c640;
$custom-light: #ced77c;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c640",
  "rgb": {
    "r": 181,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 67.612,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.78883,
    "c": 0.15584,
    "h": 116.3
  },
  "luminance": 0.50582
}

Semantic roles & 50–950 ramp

primary

#B5C640

secondary

#3D3575

accent

#4ADD5D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C640

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

Preview Lab → · Contrast checker → · Palette generator →