#A4E251#A4E251

#A4E251 is a very light, vivid yellow-green. Relative luminance 0.629; OKLCH L 84.3% C 0.185 H 129.5°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#A4E251
RGB	rgb(164, 226, 81)
HSL	hsl(86, 71%, 60%)
HSV	hsv(86, 64%, 89%)
CMYK	cmyk(27.4%, 0%, 64.2%, 11.4%)
CIE-LAB	lab(83.38, -41.59, 62.39)
CIE-LCH	lch(83.38, 74.98, 123.69°)
OKLab	oklab(84.26% -0.1176 0.1429)
OKLCH	oklch(84.26% 0.185 129.5)
XYZ	xyz(43.9912, 62.8782, 17.6020)
Luminance	0.6288 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4E251 #8F51E2

analogous

#E2D751 #A4E251 #5BE251

triadic

#A4E251 #51A4E2 #E251A4

tetradic

#A4E251 #51E2D7 #8F51E2 #E2515B

square

#A4E251 #51E2D7 #8F51E2 #E2515B

split-complementary

#A4E251 #515BE2 #D751E2

monochromatic

#669E1A #88D323 #A4E251 #BFEB85 #DBF3BA

Accessibility & contrast

On white

1.55

#A4E251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.58

#A4E251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4E251

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4E251	#FFFFFF	#000000	##000000
##A4E251	1.00	1.55	13.58	13.58
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.58	21.00	1.00	1.00
##000000	13.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD33E

Deuteranopia (green-blind)

#E4CE5C

Tritanopia (blue-blind)

#A8D9C4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #a4e251;
/* rgb */ color: rgb(164, 226, 81);
/* oklch */ color: oklch(84.3% 0.185 129.5);

Tailwind

colors: {
  custom: {
    50: '#c3eb88',
    500: '#a4e251',
    950: '#000000',
  },
}

SCSS

$custom: #a4e251;
$custom-light: #c3eb88;
$custom-dark: #000000;

JSON

{
  "hex": "#a4e251",
  "rgb": {
    "r": 164,
    "g": 226,
    "b": 81
  },
  "hsl": {
    "h": 85.655,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.84257,
    "c": 0.18504,
    "h": 129.5
  },
  "luminance": 0.62879
}

Semantic roles & 50–950 ramp

primary

#A4E251

secondary

#6436A1

accent

#12D365

background

#FDFEFC

surface

#F9FDF4

border

#D2D5CE

text

#13160C

muted

#82847F

Preview Lab

Preview with #A4E251

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

Preview Lab → · Contrast checker → · Palette generator →