#D9FF40#D9FF40

#D9FF40 is a very light, highly saturated yellow-green. Relative luminance 0.866; OKLCH L 94.1% C 0.206 H 120.6°. Best body text is #000000 at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#D9FF40
RGB	rgb(217, 255, 64)
HSL	hsl(72, 100%, 63%)
HSV	hsv(72, 75%, 100%)
CMYK	cmyk(14.9%, 0%, 74.9%, 0%)
CIE-LAB	lab(94.59, -35.47, 80.63)
CIE-LCH	lch(94.59, 88.09, 113.74°)
OKLab	oklab(94.12% -0.1051 0.1776)
OKLCH	oklch(94.12% 0.206 120.6)
XYZ	xyz(65.3019, 86.6420, 18.1329)
Luminance	0.8664 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D9FF40 #6640FF

analogous

#FFC540 #D9FF40 #7AFF40

triadic

#D9FF40 #40D9FF #FF40D9

tetradic

#D9FF40 #40FFC5 #6640FF #FF407A

square

#D9FF40 #40FFC5 #6640FF #FF407A

split-complementary

#D9FF40 #407AFF #C540FF

monochromatic

#9DC500 #CDFF03 #D9FF40 #E5FF7D #F1FFBA

Accessibility & contrast

On white

1.15

#D9FF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.33

#D9FF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #D9FF40

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D9FF40	#FFFFFF	#000000	##000000
##D9FF40	1.00	1.15	18.33	18.33
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.33	21.00	1.00	1.00
##000000	18.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF00A

Deuteranopia (green-blind)

#FFF052

Tritanopia (blue-blind)

#E5F2DB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #d9ff40;
/* rgb */ color: rgb(217, 255, 64);
/* oklch */ color: oklch(94.1% 0.206 120.6);

Tailwind

colors: {
  custom: {
    50: '#e9ff83',
    500: '#d9ff40',
    950: '#000000',
  },
}

SCSS

$custom: #d9ff40;
$custom-light: #e9ff83;
$custom-dark: #000000;

JSON

{
  "hex": "#d9ff40",
  "rgb": {
    "r": 217,
    "g": 255,
    "b": 64
  },
  "hsl": {
    "h": 71.937,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.94124,
    "c": 0.20638,
    "h": 120.6
  },
  "luminance": 0.86642
}

Semantic roles & 50–950 ramp

primary

#D9FF40

secondary

#4222C1

accent

#00E62E

background

#FFFFFC

surface

#FEFFF3

border

#D6D7CD

text

#17180C

muted

#85867F

Preview Lab

Preview with #D9FF40

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

Preview Lab → · Contrast checker → · Palette generator →