#B9E55B#B9E55B

#B9E55B is a very light, vivid yellow-green. Relative luminance 0.671; OKLCH L 86.4% C 0.172 H 124.8°. Best body text is #000000 at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#B9E55B
RGB	rgb(185, 229, 91)
HSL	hsl(79, 73%, 63%)
HSV	hsv(79, 60%, 90%)
CMYK	cmyk(19.2%, 0%, 60.3%, 10.2%)
CIE-LAB	lab(85.56, -34.35, 61.00)
CIE-LCH	lch(85.56, 70.01, 119.39°)
OKLab	oklab(86.37% -0.098 0.1408)
OKLCH	oklch(86.37% 0.172 124.8)
XYZ	xyz(49.9154, 67.1078, 20.2189)
Luminance	0.6711 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9E55B #875BE5

analogous

#E5CC5B #B9E55B #74E55B

triadic

#B9E55B #5BB9E5 #E55BB9

tetradic

#B9E55B #5BE5CC #875BE5 #E55B74

square

#B9E55B #5BE5CC #875BE5 #E55B74

split-complementary

#B9E55B #5B74E5 #CC5BE5

monochromatic

#7DAB1B #A2DD26 #B9E55B #D0ED90 #E6F6C5

Accessibility & contrast

On white

1.46

#B9E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.42

#B9E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9E55B

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9E55B	#FFFFFF	#000000	##000000
##B9E55B	1.00	1.46	14.42	14.42
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.42	21.00	1.00	1.00
##000000	14.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D74B

Deuteranopia (green-blind)

#EBD565

Tritanopia (blue-blind)

#C1DBC8

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #b9e55b;
/* rgb */ color: rgb(185, 229, 91);
/* oklch */ color: oklch(86.4% 0.172 124.8);

Tailwind

colors: {
  custom: {
    50: '#d1ed8f',
    500: '#b9e55b',
    950: '#000000',
  },
}

SCSS

$custom: #b9e55b;
$custom-light: #d1ed8f;
$custom-dark: #000000;

JSON

{
  "hex": "#b9e55b",
  "rgb": {
    "r": 185,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 79.13,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.86372,
    "c": 0.17153,
    "h": 124.8
  },
  "luminance": 0.67108
}

Semantic roles & 50–950 ramp

primary

#B9E55B

secondary

#5D38AC

accent

#11D54F

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B9E55B

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

Preview Lab → · Contrast checker → · Palette generator →