#A4D551#A4D551

#A4D551 is a light, vivid yellow-green. Relative luminance 0.561; OKLCH L 81.2% C 0.168 H 127.1°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#A4D551
RGB	rgb(164, 213, 81)
HSL	hsl(82, 61%, 58%)
HSV	hsv(82, 62%, 84%)
CMYK	cmyk(23%, 0%, 62%, 16.5%)
CIE-LAB	lab(79.66, -35.79, 58.37)
CIE-LCH	lch(79.66, 68.46, 121.51°)
OKLab	oklab(81.24% -0.1016 0.1344)
OKLCH	oklch(81.24% 0.168 127.1)
XYZ	xyz(40.5893, 56.0744, 16.4680)
Luminance	0.5607 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4D551 #8251D5

analogous

#D5C451 #A4D551 #62D551

triadic

#A4D551 #51A4D5 #D551A4

tetradic

#A4D551 #51D5C4 #8251D5 #D55162

square

#A4D551 #51D5C4 #8251D5 #D55162

split-complementary

#A4D551 #5162D5 #C451D5

monochromatic

#638A21 #87BC2D #A4D551 #BEE182 #D8EDB4

Accessibility & contrast

On white

1.72

#A4D551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#A4D551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4D551

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4D551	#FFFFFF	#000000	##000000
##A4D551	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC741

Deuteranopia (green-blind)

#D8C55B

Tritanopia (blue-blind)

#AACCB9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a4d551;
/* rgb */ color: rgb(164, 213, 81);
/* oklch */ color: oklch(81.2% 0.168 127.1);

Tailwind

colors: {
  custom: {
    50: '#c2e287',
    500: '#a4d551',
    950: '#000000',
  },
}

SCSS

$custom: #a4d551;
$custom-light: #c2e287;
$custom-dark: #000000;

JSON

{
  "hex": "#a4d551",
  "rgb": {
    "r": 164,
    "g": 213,
    "b": 81
  },
  "hsl": {
    "h": 82.273,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.81239,
    "c": 0.16845,
    "h": 127.1
  },
  "luminance": 0.56075
}

Semantic roles & 50–950 ramp

primary

#A4D551

secondary

#5A3A90

accent

#44E47F

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13150C

muted

#82847F

Preview Lab

Preview with #A4D551

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

Preview Lab → · Contrast checker → · Palette generator →