#A1C028#A1C028

#A1C028 is a light, vivid yellow-green. Relative luminance 0.454; OKLCH L 75.9% C 0.170 H 121.1°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#A1C028
RGB	rgb(161, 192, 40)
HSL	hsl(72, 66%, 45%)
HSV	hsv(72, 79%, 75%)
CMYK	cmyk(16.1%, 0%, 79.2%, 24.7%)
CIE-LAB	lab(73.17, -29.67, 66.66)
CIE-LCH	lch(73.17, 72.97, 113.99°)
OKLab	oklab(75.86% -0.0881 0.1458)
OKLCH	oklch(75.86% 0.17 121.1)
XYZ	xyz(33.9312, 45.4296, 8.9883)
Luminance	0.4543 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1C028 #4728C0

analogous

#C09328 #A1C028 #55C028

triadic

#A1C028 #28A1C0 #C028A1

tetradic

#A1C028 #28C093 #4728C0 #C02855

square

#A1C028 #28C093 #4728C0 #C02855

split-complementary

#A1C028 #2855C0 #9328C0

monochromatic

#4C5B13 #778D1D #A1C028 #BDDA4C #CFE47E

Accessibility & contrast

On white

2.08

#A1C028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#A1C028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1C028

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1C028	#FFFFFF	#000000	##000000
##A1C028	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB400

Deuteranopia (green-blind)

#C8B438

Tritanopia (blue-blind)

#AAB6A4

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #a1c028;
/* rgb */ color: rgb(161, 192, 40);
/* oklch */ color: oklch(75.9% 0.170 121.1);

Tailwind

colors: {
  custom: {
    50: '#c1d370',
    500: '#a1c028',
    950: '#000000',
  },
}

SCSS

$custom: #a1c028;
$custom-light: #c1d370;
$custom-dark: #000000;

JSON

{
  "hex": "#a1c028",
  "rgb": {
    "r": 161,
    "g": 192,
    "b": 40
  },
  "hsl": {
    "h": 72.237,
    "s": 65.517,
    "l": 45.49
  },
  "oklch": {
    "l": 0.75864,
    "c": 0.17033,
    "h": 121.1
  },
  "luminance": 0.4543
}

Semantic roles & 50–950 ramp

primary

#A1C028

secondary

#8977CD

accent

#3FE862

background

#FCFCF7

surface

#F8F9ED

border

#D1D2C8

text

#131408

muted

#82827B

Preview Lab

Preview with #A1C028

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

Preview Lab → · Contrast checker → · Palette generator →