#B9D143#B9D143

#B9D143 is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.7% C 0.165 H 118.5°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#B9D143
RGB	rgb(185, 209, 67)
HSL	hsl(70, 61%, 54%)
HSV	hsv(70, 68%, 82%)
CMYK	cmyk(11.5%, 0%, 67.9%, 18%)
CIE-LAB	lab(79.80, -26.65, 64.53)
CIE-LCH	lch(79.80, 69.82, 112.44°)
OKLab	oklab(81.67% -0.0788 0.145)
OKLCH	oklch(81.67% 0.165 118.5)
XYZ	xyz(43.8220, 56.3208, 13.8715)
Luminance	0.5632 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D143 #5B43D1

analogous

#D1A243 #B9D143 #72D143

triadic

#B9D143 #43B9D1 #D143B9

tetradic

#B9D143 #43D1A2 #5B43D1 #D14372

square

#B9D143 #43D1A2 #5B43D1 #D14372

split-complementary

#B9D143 #4372D1 #A243D1

monochromatic

#6C7B1E #97AD2A #B9D143 #CBDD74 #DEE9A5

Accessibility & contrast

On white

1.71

#B9D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#B9D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D143

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D143	#FFFFFF	#000000	##000000
##B9D143	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC62D

Deuteranopia (green-blind)

#DCC64E

Tritanopia (blue-blind)

#C4C6B5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b9d143;
/* rgb */ color: rgb(185, 209, 67);
/* oklch */ color: oklch(81.7% 0.165 118.5);

Tailwind

colors: {
  custom: {
    50: '#d1df7f',
    500: '#b9d143',
    950: '#000000',
  },
}

SCSS

$custom: #b9d143;
$custom-light: #d1df7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d143",
  "rgb": {
    "r": 185,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 70.141,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.81669,
    "c": 0.16504,
    "h": 118.5
  },
  "luminance": 0.5632
}

Semantic roles & 50–950 ramp

primary

#B9D143

secondary

#423583

accent

#44E45F

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B9D143

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

Preview Lab → · Contrast checker → · Palette generator →