#E9F559#E9F559

#E9F559 is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.3% C 0.175 H 113.5°. Best body text is #000000 at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#E9F559
RGB	rgb(233, 245, 89)
HSL	hsl(65, 89%, 65%)
HSV	hsv(65, 64%, 96%)
CMYK	cmyk(4.9%, 0%, 63.7%, 3.9%)
CIE-LAB	lab(93.17, -23.22, 70.95)
CIE-LCH	lch(93.17, 74.65, 108.13°)
OKLab	oklab(93.31% -0.0699 0.1606)
OKLCH	oklch(93.31% 0.175 113.5)
XYZ	xyz(68.0616, 83.3510, 21.9522)
Luminance	0.8335 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F559 #6559F5

analogous

#F5B359 #E9F559 #9BF559

triadic

#E9F559 #59E9F5 #F559E9

tetradic

#E9F559 #59F5B3 #6559F5 #F5599B

square

#E9F559 #59F5B3 #6559F5 #F5599B

split-complementary

#E9F559 #599BF5 #B359F5

monochromatic

#B9C80C #E1F21F #E9F559 #F1F893 #F8FCCC

Accessibility & contrast

On white

1.19

#E9F559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.67

#E9F559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F559

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F559	#FFFFFF	#000000	##000000
##E9F559	1.00	1.19	17.67	17.67
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.67	21.00	1.00	1.00
##000000	17.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA44

Deuteranopia (green-blind)

#FFED64

Tritanopia (blue-blind)

#F8E7D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e9f559;
/* rgb */ color: rgb(233, 245, 89);
/* oklch */ color: oklch(93.3% 0.175 113.5);

Tailwind

colors: {
  custom: {
    50: '#f3f88f',
    500: '#e9f559',
    950: '#000000',
  },
}

SCSS

$custom: #e9f559;
$custom-light: #f3f88f;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f559",
  "rgb": {
    "r": 233,
    "g": 245,
    "b": 89
  },
  "hsl": {
    "h": 64.615,
    "s": 88.636,
    "l": 65.49
  },
  "oklch": {
    "l": 0.9331,
    "c": 0.17515,
    "h": 113.5
  },
  "luminance": 0.8335
}

Semantic roles & 50–950 ramp

primary

#E9F559

secondary

#3A2EC4

accent

#00E512

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9F559

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

Preview Lab → · Contrast checker → · Palette generator →