#B5D143#B5D143

#B5D143 is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.4% C 0.167 H 119.9°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#B5D143
RGB	rgb(181, 209, 67)
HSL	hsl(72, 61%, 54%)
HSV	hsv(72, 68%, 82%)
CMYK	cmyk(13.4%, 0%, 67.9%, 18%)
CIE-LAB	lab(79.52, -28.26, 64.16)
CIE-LCH	lch(79.52, 70.11, 113.77°)
OKLab	oklab(81.37% -0.0831 0.1443)
OKLCH	oklch(81.37% 0.167 119.9)
XYZ	xyz(42.8704, 55.8301, 13.8269)
Luminance	0.5583 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D143 #5F43D1

analogous

#D1A643 #B5D143 #6ED143

triadic

#B5D143 #43B5D1 #D143B5

tetradic

#B5D143 #43D1A6 #5F43D1 #D1436E

square

#B5D143 #43D1A6 #5F43D1 #D1436E

split-complementary

#B5D143 #436ED1 #A643D1

monochromatic

#697B1E #93AD2A #B5D143 #C8DD74 #DCE9A5

Accessibility & contrast

On white

1.73

#B5D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#B5D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D143

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D143	#FFFFFF	#000000	##000000
##B5D143	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC52D

Deuteranopia (green-blind)

#DBC54E

Tritanopia (blue-blind)

#BFC6B5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b5d143;
/* rgb */ color: rgb(181, 209, 67);
/* oklch */ color: oklch(81.4% 0.167 119.9);

Tailwind

colors: {
  custom: {
    50: '#cedf7f',
    500: '#b5d143',
    950: '#000000',
  },
}

SCSS

$custom: #b5d143;
$custom-light: #cedf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d143",
  "rgb": {
    "r": 181,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 71.831,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.81374,
    "c": 0.16652,
    "h": 119.9
  },
  "luminance": 0.5583
}

Semantic roles & 50–950 ramp

primary

#B5D143

secondary

#443583

accent

#44E464

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B5D143

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

Preview Lab → · Contrast checker → · Palette generator →