#B9D540#B9D540

#B9D540 is a very light, vivid yellow-green. Relative luminance 0.583; OKLCH L 82.5% C 0.172 H 119.6°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#B9D540
RGB	rgb(185, 213, 64)
HSL	hsl(71, 64%, 54%)
HSV	hsv(71, 70%, 84%)
CMYK	cmyk(13.1%, 0%, 70%, 16.5%)
CIE-LAB	lab(80.89, -28.72, 66.73)
CIE-LCH	lch(80.89, 72.65, 113.29°)
OKLab	oklab(82.54% -0.0848 0.1492)
OKLCH	oklch(82.54% 0.172 119.6)
XYZ	xyz(44.7281, 58.2732, 13.7410)
Luminance	0.5827 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D540 #5C40D5

analogous

#D5A640 #B9D540 #6FD540

triadic

#B9D540 #40B9D5 #D540B9

tetradic

#B9D540 #40D5A6 #5C40D5 #D5406F

square

#B9D540 #40D5A6 #5C40D5 #D5406F

split-complementary

#B9D540 #406FD5 #A640D5

monochromatic

#6C7F1C #97B127 #B9D540 #CBE072 #DEEBA4

Accessibility & contrast

On white

1.66

#B9D540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#B9D540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D540

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D540	#FFFFFF	#000000	##000000
##B9D540	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C927

Deuteranopia (green-blind)

#DFC94C

Tritanopia (blue-blind)

#C4CAB8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b9d540;
/* rgb */ color: rgb(185, 213, 64);
/* oklch */ color: oklch(82.5% 0.172 119.6);

Tailwind

colors: {
  custom: {
    50: '#d1e17e',
    500: '#b9d540',
    950: '#000000',
  },
}

SCSS

$custom: #b9d540;
$custom-light: #d1e17e;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d540",
  "rgb": {
    "r": 185,
    "g": 213,
    "b": 64
  },
  "hsl": {
    "h": 71.275,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.82544,
    "c": 0.17161,
    "h": 119.6
  },
  "luminance": 0.58273
}

Semantic roles & 50–950 ramp

primary

#B9D540

secondary

#433386

accent

#41E760

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9D540

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

Preview Lab → · Contrast checker → · Palette generator →