#E9FF4E#E9FF4E

#E9FF4E is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.4% C 0.193 H 116.4°. Best body text is #000000 at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#E9FF4E
RGB	rgb(233, 255, 78)
HSL	hsl(67, 100%, 65%)
HSV	hsv(67, 69%, 100%)
CMYK	cmyk(8.6%, 0%, 69.4%, 0%)
CIE-LAB	lab(95.75, -28.54, 77.60)
CIE-LCH	lch(95.75, 82.68, 110.19°)
OKLab	oklab(95.35% -0.0857 0.173)
OKLCH	oklch(95.35% 0.193 116.4)
XYZ	xyz(70.7411, 89.3947, 20.7345)
Luminance	0.8939 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FF4E #644EFF

analogous

#FFBD4E #E9FF4E #90FF4E

triadic

#E9FF4E #4EE9FF #FF4EE9

tetradic

#E9FF4E #4EFFBD #644EFF #FF4E90

square

#E9FF4E #4EFFBD #644EFF #FF4E90

split-complementary

#E9FF4E #4E90FF #BD4EFF

monochromatic

#B8D300 #E1FF11 #E9FF4E #F1FF8B #F8FFC8

Accessibility & contrast

On white

1.11

#E9FF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.88

#E9FF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FF4E

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FF4E	#FFFFFF	#000000	##000000
##E9FF4E	1.00	1.11	18.88	18.88
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.88	21.00	1.00	1.00
##000000	18.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF22F

Deuteranopia (green-blind)

#FFF45C

Tritanopia (blue-blind)

#F7F1DC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #e9ff4e;
/* rgb */ color: rgb(233, 255, 78);
/* oklch */ color: oklch(95.4% 0.193 116.4);

Tailwind

colors: {
  custom: {
    50: '#f4ff8a',
    500: '#e9ff4e',
    950: '#000000',
  },
}

SCSS

$custom: #e9ff4e;
$custom-light: #f4ff8a;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ff4e",
  "rgb": {
    "r": 233,
    "g": 255,
    "b": 78
  },
  "hsl": {
    "h": 67.458,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.95353,
    "c": 0.19304,
    "h": 116.4
  },
  "luminance": 0.89394
}

Semantic roles & 50–950 ramp

primary

#E9FF4E

secondary

#3924CD

accent

#00E61D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9FF4E

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

Preview Lab → · Contrast checker → · Palette generator →