#B9EF63#B9EF63

#B9EF63 is a very light, vivid yellow-green. Relative luminance 0.729; OKLCH L 88.7% C 0.178 H 127.4°. Best body text is #000000 at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#B9EF63
RGB	rgb(185, 239, 99)
HSL	hsl(83, 81%, 66%)
HSV	hsv(83, 59%, 94%)
CMYK	cmyk(22.6%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(88.42, -38.23, 60.78)
CIE-LCH	lch(88.42, 71.81, 122.17°)
OKLab	oklab(88.71% -0.108 0.1412)
OKLCH	oklch(88.71% 0.178 127.4)
XYZ	xyz(53.1261, 72.9472, 23.0832)
Luminance	0.7295 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9EF63 #9963EF

analogous

#EFDF63 #B9EF63 #73EF63

triadic

#B9EF63 #63B9EF #EF63B9

tetradic

#B9EF63 #63EFDF #9963EF #EF6373

square

#B9EF63 #63EFDF #9963EF #EF6373

split-complementary

#B9EF63 #6373EF #DF63EF

monochromatic

#80C414 #A0E92B #B9EF63 #D2F59B #EBFAD2

Accessibility & contrast

On white

1.35

#B9EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.59

#B9EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9EF63

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9EF63	#FFFFFF	#000000	##000000
##B9EF63	1.00	1.35	15.59	15.59
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.59	21.00	1.00	1.00
##000000	15.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE054

Deuteranopia (green-blind)

#F3DD6D

Tritanopia (blue-blind)

#BFE5D1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b9ef63;
/* rgb */ color: rgb(185, 239, 99);
/* oklch */ color: oklch(88.7% 0.178 127.4);

Tailwind

colors: {
  custom: {
    50: '#d1f494',
    500: '#b9ef63',
    950: '#000000',
  },
}

SCSS

$custom: #b9ef63;
$custom-light: #d1f494;
$custom-dark: #000000;

JSON

{
  "hex": "#b9ef63",
  "rgb": {
    "r": 185,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 83.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8871,
    "c": 0.17781,
    "h": 127.4
  },
  "luminance": 0.72948
}

Semantic roles & 50–950 ramp

primary

#B9EF63

secondary

#6B35C1

accent

#08DE5A

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170D

muted

#83857F

Preview Lab

Preview with #B9EF63

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

Preview Lab → · Contrast checker → · Palette generator →