#B4F378#B4F378

#B4F378 is a very light, vivid yellow-green. Relative luminance 0.752; OKLCH L 89.5% C 0.167 H 131.4°. Best body text is #000000 at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#B4F378
RGB	rgb(180, 243, 120)
HSL	hsl(91, 84%, 71%)
HSV	hsv(91, 51%, 95%)
CMYK	cmyk(25.9%, 0%, 50.6%, 4.7%)
CIE-LAB	lab(89.47, -39.82, 52.55)
CIE-LCH	lch(89.47, 65.93, 127.15°)
OKLab	oklab(89.55% -0.1105 0.1253)
OKLCH	oklch(89.55% 0.167 131.4)
XYZ	xyz(54.2624, 75.1591, 29.4139)
Luminance	0.7516 (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

#B4F378 #B778F3

analogous

#F1F378 #B4F378 #78F379

triadic

#B4F378 #78B4F3 #F378B4

tetradic

#B4F378 #78F1F3 #B778F3 #F37978

square

#B4F378 #78F1F3 #B778F3 #F37978

split-complementary

#B4F378 #7978F3 #F378F1

monochromatic

#76DD14 #95EE40 #B4F378 #D3F8B0 #EFFDE3

Accessibility & contrast

On white

1.31

#B4F378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.03

#B4F378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F378

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F378	#FFFFFF	#000000	##000000
##B4F378	1.00	1.31	16.03	16.03
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.03	21.00	1.00	1.00
##000000	16.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE46D

Deuteranopia (green-blind)

#F3DF80

Tritanopia (blue-blind)

#B7EAD7

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b4f378;
/* rgb */ color: rgb(180, 243, 120);
/* oklch */ color: oklch(89.5% 0.167 131.4);

Tailwind

colors: {
  custom: {
    50: '#cdf7a2',
    500: '#b4f378',
    950: '#000000',
  },
}

SCSS

$custom: #b4f378;
$custom-light: #cdf7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f378",
  "rgb": {
    "r": 180,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 90.732,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.8955,
    "c": 0.1671,
    "h": 131.4
  },
  "luminance": 0.75161
}

Semantic roles & 50–950 ramp

primary

#B4F378

secondary

#8942CE

accent

#05E075

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B4F378

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

Preview Lab → · Contrast checker → · Palette generator →