#B9E545#B9E545

#B9E545 is a very light, vivid yellow-green. Relative luminance 0.668; OKLCH L 86.2% C 0.187 H 123.8°. Best body text is #000000 at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#B9E545
RGB	rgb(185, 229, 69)
HSL	hsl(77, 75%, 58%)
HSV	hsv(77, 70%, 90%)
CMYK	cmyk(19.2%, 0%, 69.9%, 10.2%)
CIE-LAB	lab(85.39, -35.85, 69.43)
CIE-LCH	lch(85.39, 78.13, 117.31°)
OKLab	oklab(86.19% -0.104 0.1556)
OKLCH	oklch(86.19% 0.187 123.8)
XYZ	xyz(49.1016, 66.7822, 15.9325)
Luminance	0.6678 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9E545 #7145E5

analogous

#E5C145 #B9E545 #69E545

triadic

#B9E545 #45B9E5 #E545B9

tetradic

#B9E545 #45E5C1 #7145E5 #E54569

square

#B9E545 #45E5C1 #7145E5 #E54569

split-complementary

#B9E545 #4569E5 #C145E5

monochromatic

#769A16 #9FD01D #B9E545 #CDED7B #E1F4B0

Accessibility & contrast

On white

1.46

#B9E545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.36

#B9E545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9E545

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9E545	#FFFFFF	#000000	##000000
##B9E545	1.00	1.46	14.36	14.36
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.36	21.00	1.00	1.00
##000000	14.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D72A

Deuteranopia (green-blind)

#ECD553

Tritanopia (blue-blind)

#C2DAC6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b9e545;
/* rgb */ color: rgb(185, 229, 69);
/* oklch */ color: oklch(86.2% 0.187 123.8);

Tailwind

colors: {
  custom: {
    50: '#d2ed82',
    500: '#b9e545',
    950: '#000000',
  },
}

SCSS

$custom: #b9e545;
$custom-light: #d2ed82;
$custom-dark: #000000;

JSON

{
  "hex": "#b9e545",
  "rgb": {
    "r": 185,
    "g": 229,
    "b": 69
  },
  "hsl": {
    "h": 76.5,
    "s": 75.472,
    "l": 58.431
  },
  "oklch": {
    "l": 0.86187,
    "c": 0.18718,
    "h": 123.8
  },
  "luminance": 0.66783
}

Semantic roles & 50–950 ramp

primary

#B9E545

secondary

#4F319E

accent

#36F26A

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B9E545

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

Preview Lab → · Contrast checker → · Palette generator →