#A4D440#A4D440

#A4D440 is a light, vivid yellow-green. Relative luminance 0.553; OKLCH L 80.9% C 0.179 H 125.9°. Best body text is #000000 at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#A4D440
RGB	rgb(164, 212, 64)
HSL	hsl(79, 63%, 54%)
HSV	hsv(79, 70%, 83%)
CMYK	cmyk(22.6%, 0%, 69.8%, 16.9%)
CIE-LAB	lab(79.24, -36.52, 64.64)
CIE-LCH	lch(79.24, 74.24, 119.47°)
OKLab	oklab(80.86% -0.1051 0.1453)
OKLCH	oklch(80.86% 0.179 125.9)
XYZ	xyz(39.7789, 55.3491, 13.4372)
Luminance	0.5535 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4D440 #7040D4

analogous

#D4BA40 #A4D440 #5AD440

triadic

#A4D440 #40A4D4 #D440A4

tetradic

#A4D440 #40D4BA #7040D4 #D4405A

square

#A4D440 #40D4BA #7040D4 #D4405A

split-complementary

#A4D440 #405AD4 #BA40D4

monochromatic

#5E7D1C #83AF27 #A4D440 #BCDF72 #D4EAA4

Accessibility & contrast

On white

1.74

#A4D440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.07

#A4D440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4D440

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4D440	#FFFFFF	#000000	##000000
##A4D440	1.00	1.74	12.07	12.07
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.07	21.00	1.00	1.00
##000000	12.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC628

Deuteranopia (green-blind)

#D9C44D

Tritanopia (blue-blind)

#ABCAB7

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #a4d440;
/* rgb */ color: rgb(164, 212, 64);
/* oklch */ color: oklch(80.9% 0.179 125.9);

Tailwind

colors: {
  custom: {
    50: '#c3e17e',
    500: '#a4d440',
    950: '#000000',
  },
}

SCSS

$custom: #a4d440;
$custom-light: #c3e17e;
$custom-dark: #000000;

JSON

{
  "hex": "#a4d440",
  "rgb": {
    "r": 164,
    "g": 212,
    "b": 64
  },
  "hsl": {
    "h": 79.459,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.80863,
    "c": 0.17931,
    "h": 125.9
  },
  "luminance": 0.5535
}

Semantic roles & 50–950 ramp

primary

#A4D440

secondary

#4E3385

accent

#42E677

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A4D440

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

Preview Lab → · Contrast checker → · Palette generator →