#E9F558#E9F558

#E9F558 is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.3% C 0.176 H 113.5°. Best body text is #000000 at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#E9F558
RGB	rgb(233, 245, 88)
HSL	hsl(65, 89%, 65%)
HSV	hsv(65, 64%, 96%)
CMYK	cmyk(4.9%, 0%, 64.1%, 3.9%)
CIE-LAB	lab(93.16, -23.28, 71.33)
CIE-LCH	lch(93.16, 75.03, 108.08°)
OKLab	oklab(93.3% -0.0701 0.1613)
OKLCH	oklch(93.3% 0.176 113.5)
XYZ	xyz(68.0199, 83.3344, 21.7326)
Luminance	0.8333 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F558 #6458F5

analogous

#F5B258 #E9F558 #9AF558

triadic

#E9F558 #58E9F5 #F558E9

tetradic

#E9F558 #58F5B2 #6458F5 #F5589A

square

#E9F558 #58F5B2 #6458F5 #F5589A

split-complementary

#E9F558 #589AF5 #B258F5

monochromatic

#B8C70C #E1F21E #E9F558 #F1F892 #F8FCCB

Accessibility & contrast

On white

1.19

#E9F558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.67

#E9F558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F558

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F558	#FFFFFF	#000000	##000000
##E9F558	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)

#FFEA43

Deuteranopia (green-blind)

#FFED63

Tritanopia (blue-blind)

#F8E7D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e9f558;
/* rgb */ color: rgb(233, 245, 88);
/* oklch */ color: oklch(93.3% 0.176 113.5);

Tailwind

colors: {
  custom: {
    50: '#f3f88f',
    500: '#e9f558',
    950: '#000000',
  },
}

SCSS

$custom: #e9f558;
$custom-light: #f3f88f;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f558",
  "rgb": {
    "r": 233,
    "g": 245,
    "b": 88
  },
  "hsl": {
    "h": 64.586,
    "s": 88.701,
    "l": 65.294
  },
  "oklch": {
    "l": 0.93302,
    "c": 0.17586,
    "h": 113.5
  },
  "luminance": 0.83333
}

Semantic roles & 50–950 ramp

primary

#E9F558

secondary

#392EC3

accent

#00E512

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9F558

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

Preview Lab → · Contrast checker → · Palette generator →