#B9FF58#B9FF58

#B9FF58 is a very light, highly saturated yellow-green. Relative luminance 0.825; OKLCH L 92.2% C 0.206 H 129.3°. Best body text is #000000 at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#B9FF58
RGB	rgb(185, 255, 88)
HSL	hsl(85, 100%, 67%)
HSV	hsv(85, 65%, 100%)
CMYK	cmyk(27.5%, 0%, 65.5%, 0%)
CIE-LAB	lab(92.81, -46.07, 70.01)
CIE-LCH	lch(92.81, 83.81, 123.34°)
OKLab	oklab(92.24% -0.1306 0.1595)
OKLCH	oklch(92.24% 0.206 129.3)
XYZ	xyz(57.5288, 82.5374, 22.1309)
Luminance	0.8254 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9FF58 #9E58FF

analogous

#FFF258 #B9FF58 #65FF58

triadic

#B9FF58 #58B9FF #FF58B9

tetradic

#B9FF58 #58FFF2 #9E58FF #FF5865

square

#B9FF58 #58FFF2 #9E58FF #FF5865

split-complementary

#B9FF58 #5865FF #F258FF

monochromatic

#80DD00 #9FFF1B #B9FF58 #D3FF95 #ECFFD2

Accessibility & contrast

On white

1.20

#B9FF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.51

#B9FF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9FF58

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9FF58	#FFFFFF	#000000	##000000
##B9FF58	1.00	1.20	17.51	17.51
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.51	21.00	1.00	1.00
##000000	17.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE41

Deuteranopia (green-blind)

#FFE966

Tritanopia (blue-blind)

#BEF4DD

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #b9ff58;
/* rgb */ color: rgb(185, 255, 88);
/* oklch */ color: oklch(92.2% 0.206 129.3);

Tailwind

colors: {
  custom: {
    50: '#d2ff8f',
    500: '#b9ff58',
    950: '#000000',
  },
}

SCSS

$custom: #b9ff58;
$custom-light: #d2ff8f;
$custom-dark: #000000;

JSON

{
  "hex": "#b9ff58",
  "rgb": {
    "r": 185,
    "g": 255,
    "b": 88
  },
  "hsl": {
    "h": 85.15,
    "s": 100,
    "l": 67.255
  },
  "oklch": {
    "l": 0.92239,
    "c": 0.20609,
    "h": 129.3
  },
  "luminance": 0.82539
}

Semantic roles & 50–950 ramp

primary

#B9FF58

secondary

#6F26D6

accent

#00E660

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#15180D

muted

#84867F

Preview Lab

Preview with #B9FF58

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

Preview Lab → · Contrast checker → · Palette generator →