#A4C638#A4C638

#A4C638 is a light, vivid yellow-green. Relative luminance 0.486; OKLCH L 77.6% C 0.167 H 122.2°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#A4C638
RGB	rgb(164, 198, 56)
HSL	hsl(74, 56%, 50%)
HSV	hsv(74, 72%, 78%)
CMYK	cmyk(17.2%, 0%, 71.7%, 22.4%)
CIE-LAB	lab(75.18, -30.53, 63.48)
CIE-LCH	lch(75.18, 70.44, 115.68°)
OKLab	oklab(77.56% -0.0893 0.1416)
OKLCH	oklch(77.56% 0.167 122.2)
XYZ	xyz(36.2182, 48.5661, 11.2068)
Luminance	0.4857 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4C638 #5A38C6

analogous

#C6A138 #A4C638 #5DC638

triadic

#A4C638 #38A4C6 #C638A4

tetradic

#A4C638 #38C6A1 #5A38C6 #C6385D

square

#A4C638 #38C6A1 #5A38C6 #C6385D

split-complementary

#A4C638 #385DC6 #A138C6

monochromatic

#55671D #7C962B #A4C638 #BAD467 #D0E297

Accessibility & contrast

On white

1.96

#A4C638 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.71

#A4C638 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C638

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4C638	#FFFFFF	#000000	##000000
##A4C638	1.00	1.96	10.71	10.71
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.71	21.00	1.00	1.00
##000000	10.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA1E

Deuteranopia (green-blind)

#CDB944

Tritanopia (blue-blind)

#ADBCAA

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #a4c638;
/* rgb */ color: rgb(164, 198, 56);
/* oklch */ color: oklch(77.6% 0.167 122.2);

Tailwind

colors: {
  custom: {
    50: '#c2d778',
    500: '#a4c638',
    950: '#000000',
  },
}

SCSS

$custom: #a4c638;
$custom-light: #c2d778;
$custom-dark: #000000;

JSON

{
  "hex": "#a4c638",
  "rgb": {
    "r": 164,
    "g": 198,
    "b": 56
  },
  "hsl": {
    "h": 74.366,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.77563,
    "c": 0.16743,
    "h": 122.2
  },
  "luminance": 0.48566
}

Semantic roles & 50–950 ramp

primary

#A4C638

secondary

#9C8DCD

accent

#49DF6D

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#131409

muted

#82837B

Preview Lab

Preview with #A4C638

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

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