#E9F05A#E9F05A

#E9F05A is a very light, vivid yellow. Relative luminance 0.804; OKLCH L 92.3% C 0.169 H 111.8°. Best body text is #000000 at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#E9F05A
RGB	rgb(233, 240, 90)
HSL	hsl(63, 83%, 65%)
HSV	hsv(63, 63%, 94%)
CMYK	cmyk(2.9%, 0%, 62.5%, 5.9%)
CIE-LAB	lab(91.86, -20.77, 69.18)
CIE-LCH	lch(91.86, 72.23, 106.71°)
OKLab	oklab(92.26% -0.0629 0.157)
OKLCH	oklch(92.26% 0.169 111.8)
XYZ	xyz(66.6117, 80.3835, 21.6775)
Luminance	0.8038 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F05A #615AF0

analogous

#F0AC5A #E9F05A #9EF05A

triadic

#E9F05A #5AE9F0 #F05AE9

tetradic

#E9F05A #5AF0AC #615AF0 #F05A9E

square

#E9F05A #5AF0AC #615AF0 #F05A9E

split-complementary

#E9F05A #5A9EF0 #AC5AF0

monochromatic

#B6BE11 #E2EB22 #E9F05A #F0F592 #F8FACA

Accessibility & contrast

On white

1.23

#E9F05A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.08

#E9F05A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F05A

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F05A	#FFFFFF	#000000	##000000
##E9F05A	1.00	1.23	17.08	17.08
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.08	21.00	1.00	1.00
##000000	17.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE647

Deuteranopia (green-blind)

#FFEA64

Tritanopia (blue-blind)

#F8E2D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #e9f05a;
/* rgb */ color: rgb(233, 240, 90);
/* oklch */ color: oklch(92.3% 0.169 111.8);

Tailwind

colors: {
  custom: {
    50: '#f3f48f',
    500: '#e9f05a',
    950: '#000000',
  },
}

SCSS

$custom: #e9f05a;
$custom-light: #f3f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f05a",
  "rgb": {
    "r": 233,
    "g": 240,
    "b": 90
  },
  "hsl": {
    "h": 62.8,
    "s": 83.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.92264,
    "c": 0.16914,
    "h": 111.8
  },
  "luminance": 0.80382
}

Semantic roles & 50–950 ramp

primary

#E9F05A

secondary

#3832BD

accent

#06E010

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9F05A

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

Preview Lab → · Contrast checker → · Palette generator →