#B1FE78#B1FE78

#B1FE78 is a very light, vivid yellow-green. Relative luminance 0.816; OKLCH L 91.9% C 0.183 H 133.6°. Best body text is #000000 at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#B1FE78
RGB	rgb(177, 254, 120)
HSL	hsl(94, 99%, 73%)
HSV	hsv(94, 53%, 100%)
CMYK	cmyk(30.3%, 0%, 52.8%, 0.4%)
CIE-LAB	lab(92.39, -45.65, 56.00)
CIE-LCH	lch(92.39, 72.25, 129.18°)
OKLab	oklab(91.88% -0.1265 0.1329)
OKLCH	oklch(91.88% 0.183 133.6)
XYZ	xyz(56.9624, 81.5848, 30.5119)
Luminance	0.8159 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Key Lime

#AEFF6E

ΔE00 1.19

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 2.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1FE78 #C578FE

analogous

#F4FE78 #B1FE78 #78FE82

triadic

#B1FE78 #78B1FE #FE78B1

tetradic

#B1FE78 #78F4FE #C578FE #FE8278

square

#B1FE78 #78F4FE #C578FE #FE8278

split-complementary

#B1FE78 #8278FE #FE78F4

monochromatic

#6BFA02 #8EFE3B #B1FE78 #D4FEB5 #EDFFE1

Accessibility & contrast

On white

1.21

#B1FE78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.32

#B1FE78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1FE78

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1FE78	#FFFFFF	#000000	##000000
##B1FE78	1.00	1.21	17.32	17.32
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.32	21.00	1.00	1.00
##000000	17.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6B

Deuteranopia (green-blind)

#FCE781

Tritanopia (blue-blind)

#B1F5E0

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #b1fe78;
/* rgb */ color: rgb(177, 254, 120);
/* oklch */ color: oklch(91.9% 0.183 133.6);

Tailwind

colors: {
  custom: {
    50: '#ccffa2',
    500: '#b1fe78',
    950: '#000000',
  },
}

SCSS

$custom: #b1fe78;
$custom-light: #ccffa2;
$custom-dark: #000000;

JSON

{
  "hex": "#b1fe78",
  "rgb": {
    "r": 177,
    "g": 254,
    "b": 120
  },
  "hsl": {
    "h": 94.478,
    "s": 98.529,
    "l": 73.333
  },
  "oklch": {
    "l": 0.91877,
    "c": 0.18349,
    "h": 133.6
  },
  "luminance": 0.81587
}

Semantic roles & 50–950 ramp

primary

#B1FE78

secondary

#993FDC

accent

#00E684

background

#FEFFFC

surface

#FBFFF6

border

#D4D7D0

text

#14180F

muted

#838680

Preview Lab

Preview with #B1FE78

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

Preview Lab → · Contrast checker → · Palette generator →