#A4D451#A4D451

#A4D451 is a light, vivid yellow-green. Relative luminance 0.556; OKLCH L 81.0% C 0.167 H 126.9°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#A4D451
RGB	rgb(164, 212, 81)
HSL	hsl(82, 60%, 57%)
HSV	hsv(82, 62%, 83%)
CMYK	cmyk(22.6%, 0%, 61.8%, 16.9%)
CIE-LAB	lab(79.37, -35.33, 58.05)
CIE-LCH	lch(79.37, 67.96, 121.32°)
OKLab	oklab(81.01% -0.1004 0.1337)
OKLCH	oklch(81.01% 0.167 126.9)
XYZ	xyz(40.3385, 55.5729, 16.3844)
Luminance	0.5557 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4D451 #8151D4

analogous

#D4C351 #A4D451 #62D451

triadic

#A4D451 #51A4D4 #D451A4

tetradic

#A4D451 #51D4C3 #8151D4 #D45162

square

#A4D451 #51D4C3 #8151D4 #D45162

split-complementary

#A4D451 #5162D4 #C351D4

monochromatic

#638922 #87BA2E #A4D451 #BEE082 #D7ECB3

Accessibility & contrast

On white

1.73

#A4D451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#A4D451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4D451

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4D451	#FFFFFF	#000000	##000000
##A4D451	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC741

Deuteranopia (green-blind)

#D8C45B

Tritanopia (blue-blind)

#AACBB8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a4d451;
/* rgb */ color: rgb(164, 212, 81);
/* oklch */ color: oklch(81.0% 0.167 126.9);

Tailwind

colors: {
  custom: {
    50: '#c2e187',
    500: '#a4d451',
    950: '#000000',
  },
}

SCSS

$custom: #a4d451;
$custom-light: #c2e187;
$custom-dark: #000000;

JSON

{
  "hex": "#a4d451",
  "rgb": {
    "r": 164,
    "g": 212,
    "b": 81
  },
  "hsl": {
    "h": 81.985,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.81008,
    "c": 0.16717,
    "h": 126.9
  },
  "luminance": 0.55574
}

Semantic roles & 50–950 ramp

primary

#A4D451

secondary

#593A8F

accent

#44E47F

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13150C

muted

#82847F

Preview Lab

Preview with #A4D451

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

Preview Lab → · Contrast checker → · Palette generator →