#B5D543#B5D543

#B5D543 is a very light, vivid yellow-green. Relative luminance 0.578; OKLCH L 82.3% C 0.171 H 121.0°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5D543
RGB	rgb(181, 213, 67)
HSL	hsl(73, 63%, 55%)
HSV	hsv(73, 69%, 84%)
CMYK	cmyk(15%, 0%, 68.5%, 16.5%)
CIE-LAB	lab(80.64, -30.15, 65.29)
CIE-LCH	lch(80.64, 71.92, 114.79°)
OKLab	oklab(82.28% -0.0883 0.1467)
OKLCH	oklch(82.28% 0.171 121)
XYZ	xyz(43.8641, 57.8176, 14.1582)
Luminance	0.5782 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D543 #6343D5

analogous

#D5AC43 #B5D543 #6CD543

triadic

#B5D543 #43B5D5 #D543B5

tetradic

#B5D543 #43D5AC #6343D5 #D5436C

square

#B5D543 #43D5AC #6343D5 #D5436C

split-complementary

#B5D543 #436CD5 #AC43D5

monochromatic

#6B811D #94B328 #B5D543 #C9E075 #DCEBA7

Accessibility & contrast

On white

1.67

#B5D543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#B5D543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D543

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D543	#FFFFFF	#000000	##000000
##B5D543	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C92C

Deuteranopia (green-blind)

#DEC84F

Tritanopia (blue-blind)

#BFCAB8

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b5d543;
/* rgb */ color: rgb(181, 213, 67);
/* oklch */ color: oklch(82.3% 0.171 121.0);

Tailwind

colors: {
  custom: {
    50: '#cee27f',
    500: '#b5d543',
    950: '#000000',
  },
}

SCSS

$custom: #b5d543;
$custom-light: #cee27f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d543",
  "rgb": {
    "r": 181,
    "g": 213,
    "b": 67
  },
  "hsl": {
    "h": 73.151,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.82277,
    "c": 0.17123,
    "h": 121
  },
  "luminance": 0.57818
}

Semantic roles & 50–950 ramp

primary

#B5D543

secondary

#473488

accent

#41E766

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B5D543

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

Preview Lab → · Contrast checker → · Palette generator →