#B4E578#B4E578

#B4E578 is a very light, vivid yellow-green. Relative luminance 0.671; OKLCH L 86.4% C 0.148 H 129.0°. Best body text is #000000 at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#B4E578
RGB	rgb(180, 229, 120)
HSL	hsl(87, 68%, 68%)
HSV	hsv(87, 48%, 90%)
CMYK	cmyk(21.4%, 0%, 47.6%, 10.2%)
CIE-LAB	lab(85.55, -33.48, 47.80)
CIE-LCH	lch(85.55, 58.36, 125.01°)
OKLab	oklab(86.39% -0.0929 0.1148)
OKLCH	oklch(86.39% 0.148 129)
XYZ	xyz(50.2314, 67.0971, 28.0702)
Luminance	0.6710 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 5.48

Spring Green (survey)

#A9F971

ΔE00 5.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E578 #A978E5

analogous

#E5DF78 #B4E578 #7DE578

triadic

#B4E578 #78B4E5 #E578B4

tetradic

#B4E578 #78E5DF #A978E5 #E5787D

square

#B4E578 #78E5DF #A978E5 #E5787D

split-complementary

#B4E578 #787DE5 #DF78E5

monochromatic

#79BE25 #97DB45 #B4E578 #D1EFAB #EDF9DF

Accessibility & contrast

On white

1.46

#B4E578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.42

#B4E578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E578

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E578	#FFFFFF	#000000	##000000
##B4E578	1.00	1.46	14.42	14.42
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.42	21.00	1.00	1.00
##000000	14.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED86F

Deuteranopia (green-blind)

#E7D57E

Tritanopia (blue-blind)

#B8DDCC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #b4e578;
/* rgb */ color: rgb(180, 229, 120);
/* oklch */ color: oklch(86.4% 0.148 129.0);

Tailwind

colors: {
  custom: {
    50: '#cceda1',
    500: '#b4e578',
    950: '#000000',
  },
}

SCSS

$custom: #b4e578;
$custom-light: #cceda1;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e578",
  "rgb": {
    "r": 180,
    "g": 229,
    "b": 120
  },
  "hsl": {
    "h": 86.972,
    "s": 67.702,
    "l": 68.431
  },
  "oklch": {
    "l": 0.86387,
    "c": 0.14772,
    "h": 129
  },
  "luminance": 0.67098
}

Semantic roles & 50–950 ramp

primary

#B4E578

secondary

#7B45BD

accent

#16D069

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14160F

muted

#838580

Preview Lab

Preview with #B4E578

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

Preview Lab → · Contrast checker → · Palette generator →