#B4F978#B4F978

#B4F978 is a very light, vivid yellow-green. Relative luminance 0.788; OKLCH L 90.9% C 0.175 H 132.3°. Best body text is #000000 at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#B4F978
RGB	rgb(180, 249, 120)
HSL	hsl(92, 91%, 72%)
HSV	hsv(92, 52%, 98%)
CMYK	cmyk(27.7%, 0%, 51.8%, 2.4%)
CIE-LAB	lab(91.15, -42.46, 54.56)
CIE-LCH	lch(91.15, 69.14, 127.89°)
OKLab	oklab(90.91% -0.1179 0.1297)
OKLCH	oklch(90.91% 0.175 132.3)
XYZ	xyz(56.0874, 78.8091, 30.0222)
Luminance	0.7881 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 2.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F978 #BD78F9

analogous

#F4F978 #B4F978 #78F97D

triadic

#B4F978 #78B4F9 #F978B4

tetradic

#B4F978 #78F4F9 #BD78F9 #F97D78

square

#B4F978 #78F4F9 #BD78F9 #F97D78

split-complementary

#B4F978 #7D78F9 #F978F4

monochromatic

#73EC0A #93F63D #B4F978 #D5FCB3 #EFFEE2

Accessibility & contrast

On white

1.25

#B4F978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.76

#B4F978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F978

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F978	#FFFFFF	#000000	##000000
##B4F978	1.00	1.25	16.76	16.76
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.76	21.00	1.00	1.00
##000000	16.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96C

Deuteranopia (green-blind)

#F8E480

Tritanopia (blue-blind)

#B6F0DC

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #b4f978;
/* rgb */ color: rgb(180, 249, 120);
/* oklch */ color: oklch(90.9% 0.175 132.3);

Tailwind

colors: {
  custom: {
    50: '#cdfba2',
    500: '#b4f978',
    950: '#000000',
  },
}

SCSS

$custom: #b4f978;
$custom-light: #cdfba2;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f978",
  "rgb": {
    "r": 180,
    "g": 249,
    "b": 120
  },
  "hsl": {
    "h": 92.093,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.90911,
    "c": 0.17527,
    "h": 132.3
  },
  "luminance": 0.78811
}

Semantic roles & 50–950 ramp

primary

#B4F978

secondary

#9040D5

accent

#00E67B

background

#FEFFFC

surface

#FBFFF6

border

#D4D7D0

text

#14170F

muted

#838580

Preview Lab

Preview with #B4F978

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

Preview Lab → · Contrast checker → · Palette generator →