#B5F978#B5F978

#B5F978 is a very light, vivid yellow-green. Relative luminance 0.789; OKLCH L 91.0% C 0.175 H 132.0°. Best body text is #000000 at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#B5F978
RGB	rgb(181, 249, 120)
HSL	hsl(92, 91%, 72%)
HSV	hsv(92, 52%, 98%)
CMYK	cmyk(27.3%, 0%, 51.8%, 2.4%)
CIE-LAB	lab(91.20, -42.11, 54.64)
CIE-LCH	lch(91.20, 68.99, 127.62°)
OKLab	oklab(90.97% -0.117 0.1299)
OKLCH	oklch(90.97% 0.175 132)
XYZ	xyz(56.3211, 78.9296, 30.0332)
Luminance	0.7893 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 2.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5F978 #BC78F9

analogous

#F5F978 #B5F978 #78F97C

triadic

#B5F978 #78B5F9 #F978B5

tetradic

#B5F978 #78F5F9 #BC78F9 #F97C78

square

#B5F978 #78F5F9 #BC78F9 #F97C78

split-complementary

#B5F978 #7C78F9 #F978F5

monochromatic

#75EC0A #95F63D #B5F978 #D5FCB3 #EFFEE2

Accessibility & contrast

On white

1.25

#B5F978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.79

#B5F978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F978

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5F978	#FFFFFF	#000000	##000000
##B5F978	1.00	1.25	16.79	16.79
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.79	21.00	1.00	1.00
##000000	16.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96C

Deuteranopia (green-blind)

#F8E480

Tritanopia (blue-blind)

#B7F0DC

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #b5f978;
/* rgb */ color: rgb(181, 249, 120);
/* oklch */ color: oklch(91.0% 0.175 132.0);

Tailwind

colors: {
  custom: {
    50: '#cefba2',
    500: '#b5f978',
    950: '#000000',
  },
}

SCSS

$custom: #b5f978;
$custom-light: #cefba2;
$custom-dark: #000000;

JSON

{
  "hex": "#b5f978",
  "rgb": {
    "r": 181,
    "g": 249,
    "b": 120
  },
  "hsl": {
    "h": 91.628,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.90969,
    "c": 0.17477,
    "h": 132
  },
  "luminance": 0.78931
}

Semantic roles & 50–950 ramp

primary

#B5F978

secondary

#8F40D5

accent

#00E679

background

#FEFFFC

surface

#FBFFF6

border

#D4D7D0

text

#14170F

muted

#838580

Preview Lab

Preview with #B5F978

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

Preview Lab → · Contrast checker → · Palette generator →