#B1F778#B1F778

#B1F778 is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.3% C 0.174 H 132.8°. Best body text is #000000 at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#B1F778
RGB	rgb(177, 247, 120)
HSL	hsl(93, 89%, 72%)
HSV	hsv(93, 51%, 97%)
CMYK	cmyk(28.3%, 0%, 51.4%, 3.1%)
CIE-LAB	lab(90.42, -42.62, 53.66)
CIE-LCH	lch(90.42, 68.53, 128.46°)
OKLab	oklab(90.28% -0.1182 0.1278)
OKLCH	oklch(90.28% 0.174 132.8)
XYZ	xyz(54.7815, 77.2230, 29.7849)
Luminance	0.7722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F778 #BE78F7

analogous

#F0F778 #B1F778 #78F77F

triadic

#B1F778 #78B1F7 #F778B1

tetradic

#B1F778 #78F0F7 #BE78F7 #F77F78

square

#B1F778 #78F0F7 #BE78F7 #F77F78

split-complementary

#B1F778 #7F78F7 #F778F0

monochromatic

#6FE70E #90F43E #B1F778 #D2FAB2 #EEFDE2

Accessibility & contrast

On white

1.28

#B1F778 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.45

#B1F778 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F778

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F778	#FFFFFF	#000000	##000000
##B1F778	1.00	1.28	16.45	16.45
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.45	21.00	1.00	1.00
##000000	16.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE76C

Deuteranopia (green-blind)

#F6E280

Tritanopia (blue-blind)

#B2EEDA

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #b1f778;
/* rgb */ color: rgb(177, 247, 120);
/* oklch */ color: oklch(90.3% 0.174 132.8);

Tailwind

colors: {
  custom: {
    50: '#cbfaa2',
    500: '#b1f778',
    950: '#000000',
  },
}

SCSS

$custom: #b1f778;
$custom-light: #cbfaa2;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f778",
  "rgb": {
    "r": 177,
    "g": 247,
    "b": 120
  },
  "hsl": {
    "h": 93.071,
    "s": 88.811,
    "l": 71.961
  },
  "oklch": {
    "l": 0.90281,
    "c": 0.17402,
    "h": 132.8
  },
  "luminance": 0.77225
}

Semantic roles & 50–950 ramp

primary

#B1F778

secondary

#9141D3

accent

#00E57E

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B1F778

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

Preview Lab → · Contrast checker → · Palette generator →