#B5C540#B5C540

#B5C540 is a light, vivid yellow. Relative luminance 0.501; OKLCH L 78.7% C 0.155 H 116.0°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#B5C540
RGB	rgb(181, 197, 64)
HSL	hsl(67, 53%, 51%)
HSV	hsv(67, 68%, 77%)
CMYK	cmyk(8.1%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(76.15, -22.65, 61.88)
CIE-LCH	lch(76.15, 65.89, 110.11°)
OKLab	oklab(78.66% -0.0677 0.1391)
OKLCH	oklch(78.66% 0.155 116)
XYZ	xyz(39.9487, 50.1270, 12.4205)
Luminance	0.5013 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C540 #5040C5

analogous

#C59240 #B5C540 #72C540

triadic

#B5C540 #40B5C5 #C540B5

tetradic

#B5C540 #40C592 #5040C5 #C54072

square

#B5C540 #40C592 #5040C5 #C54072

split-complementary

#B5C540 #4072C5 #9240C5

monochromatic

#616A20 #8C992F #B5C540 #C7D36F #D9E29E

Accessibility & contrast

On white

1.90

#B5C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#B5C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C540

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C540	#FFFFFF	#000000	##000000
##B5C540	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2C

Deuteranopia (green-blind)

#D1BD4A

Tritanopia (blue-blind)

#C0BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c540;
/* rgb */ color: rgb(181, 197, 64);
/* oklch */ color: oklch(78.7% 0.155 116.0);

Tailwind

colors: {
  custom: {
    50: '#ced67c',
    500: '#b5c540',
    950: '#000000',
  },
}

SCSS

$custom: #b5c540;
$custom-light: #ced67c;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c540",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 67.218,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78659,
    "c": 0.15469,
    "h": 116
  },
  "luminance": 0.50126
}

Semantic roles & 50–950 ramp

primary

#B5C540

secondary

#3D3574

accent

#4BDD5D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C540

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

Preview Lab → · Contrast checker → · Palette generator →