#E9F54F#E9F54F

#E9F54F is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.2% C 0.182 H 113.5°. Best body text is #000000 at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#E9F54F
RGB	rgb(233, 245, 79)
HSL	hsl(64, 89%, 64%)
HSV	hsv(64, 68%, 96%)
CMYK	cmyk(4.9%, 0%, 67.8%, 3.9%)
CIE-LAB	lab(93.10, -23.79, 74.62)
CIE-LCH	lch(93.10, 78.32, 107.68°)
OKLab	oklab(93.23% -0.0724 0.1669)
OKLCH	oklch(93.23% 0.182 113.5)
XYZ	xyz(67.6699, 83.1943, 19.8890)
Luminance	0.8319 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F54F #5B4FF5

analogous

#F5AE4F #E9F54F #96F54F

triadic

#E9F54F #4FE9F5 #F54FE9

tetradic

#E9F54F #4FF5AE #5B4FF5 #F54F96

square

#E9F54F #4FF5AE #5B4FF5 #F54F96

split-complementary

#E9F54F #4F96F5 #AE4FF5

monochromatic

#B2BF0B #E2F215 #E9F54F #F0F889 #F7FCC3

Accessibility & contrast

On white

1.19

#E9F54F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.64

#E9F54F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F54F

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F54F	#FFFFFF	#000000	##000000
##E9F54F	1.00	1.19	17.64	17.64
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.64	21.00	1.00	1.00
##000000	17.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA35

Deuteranopia (green-blind)

#FFED5B

Tritanopia (blue-blind)

#F8E7D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e9f54f;
/* rgb */ color: rgb(233, 245, 79);
/* oklch */ color: oklch(93.2% 0.182 113.5);

Tailwind

colors: {
  custom: {
    50: '#f4f88a',
    500: '#e9f54f',
    950: '#000000',
  },
}

SCSS

$custom: #e9f54f;
$custom-light: #f4f88a;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f54f",
  "rgb": {
    "r": 233,
    "g": 245,
    "b": 79
  },
  "hsl": {
    "h": 64.337,
    "s": 89.247,
    "l": 63.529
  },
  "oklch": {
    "l": 0.93234,
    "c": 0.18188,
    "h": 113.5
  },
  "luminance": 0.83193
}

Semantic roles & 50–950 ramp

primary

#E9F54F

secondary

#362CBD

accent

#00E611

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E9F54F

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

Preview Lab → · Contrast checker → · Palette generator →