#A1D128#A1D128

#A1D128 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 79.8% C 0.190 H 125.2°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#A1D128
RGB	rgb(161, 209, 40)
HSL	hsl(77, 68%, 49%)
HSV	hsv(77, 81%, 82%)
CMYK	cmyk(23%, 0%, 80.9%, 18%)
CIE-LAB	lab(78.07, -37.51, 71.05)
CIE-LCH	lch(78.07, 80.34, 117.83°)
OKLab	oklab(79.83% -0.1094 0.1551)
OKLCH	oklch(79.83% 0.19 125.2)
XYZ	xyz(37.8818, 53.3307, 10.3052)
Luminance	0.5333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1D128 #5828D1

analogous

#D1AD28 #A1D128 #4DD128

triadic

#A1D128 #28A1D1 #D128A1

tetradic

#A1D128 #28D1AD #5828D1 #D1284D

square

#A1D128 #28D1AD #5828D1 #D1284D

split-complementary

#A1D128 #284DD1 #AD28D1

monochromatic

#526A14 #799E1E #A1D128 #B8DF57 #CEE98B

Accessibility & contrast

On white

1.80

#A1D128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#A1D128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D128

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1D128	#FFFFFF	#000000	##000000
##A1D128	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D6C03B

Tritanopia (blue-blind)

#A9C7B3

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #a1d128;
/* rgb */ color: rgb(161, 209, 40);
/* oklch */ color: oklch(79.8% 0.190 125.2);

Tailwind

colors: {
  custom: {
    50: '#c1df72',
    500: '#a1d128',
    950: '#000000',
  },
}

SCSS

$custom: #a1d128;
$custom-light: #c1df72;
$custom-dark: #000000;

JSON

{
  "hex": "#a1d128",
  "rgb": {
    "r": 161,
    "g": 209,
    "b": 40
  },
  "hsl": {
    "h": 77.041,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.79826,
    "c": 0.18981,
    "h": 125.2
  },
  "luminance": 0.53331
}

Semantic roles & 50–950 ramp

primary

#A1D128

secondary

#3E2974

accent

#3DEB6E

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#131509

muted

#82847D

Preview Lab

Preview with #A1D128

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

Preview Lab → · Contrast checker → · Palette generator →