#A3CA51#A3CA51

#A3CA51 is a light, vivid yellow-green. Relative luminance 0.506; OKLCH L 78.6% C 0.155 H 124.9°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA51
RGB	rgb(163, 202, 81)
HSL	hsl(79, 53%, 55%)
HSV	hsv(79, 60%, 79%)
CMYK	cmyk(19.3%, 0%, 59.9%, 20.8%)
CIE-LAB	lab(76.45, -31.08, 54.82)
CIE-LCH	lch(76.45, 63.02, 119.56°)
OKLab	oklab(78.63% -0.0885 0.1268)
OKLCH	oklch(78.63% 0.155 124.9)
XYZ	xyz(37.7101, 50.6213, 15.5672)
Luminance	0.5062 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA51 #7851CA

analogous

#CAB551 #A3CA51 #66CA51

triadic

#A3CA51 #51A3CA #CA51A3

tetradic

#A3CA51 #51CAB5 #7851CA #CA5166

square

#A3CA51 #51CAB5 #7851CA #CA5166

split-complementary

#A3CA51 #5166CA #B551CA

monochromatic

#607B25 #84AA34 #A3CA51 #BCD880 #D5E7AF

Accessibility & contrast

On white

1.89

#A3CA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#A3CA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA51

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA51	#FFFFFF	#000000	##000000
##A3CA51	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BE43

Deuteranopia (green-blind)

#CFBC59

Tritanopia (blue-blind)

#AAC1B0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #a3ca51;
/* rgb */ color: rgb(163, 202, 81);
/* oklch */ color: oklch(78.6% 0.155 124.9);

Tailwind

colors: {
  custom: {
    50: '#c1da86',
    500: '#a3ca51',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca51;
$custom-light: #c1da86;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca51",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 81
  },
  "hsl": {
    "h": 79.339,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78631,
    "c": 0.15468,
    "h": 124.9
  },
  "luminance": 0.50622
}

Semantic roles & 50–950 ramp

primary

#A3CA51

secondary

#533C83

accent

#4BDD7A

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140B

muted

#82837E

Preview Lab

Preview with #A3CA51

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

Preview Lab → · Contrast checker → · Palette generator →