#E9F579#E9F579

#E9F579 is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 93.6% C 0.149 H 113.9°. Best body text is #000000 at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#E9F579
RGB	rgb(233, 245, 121)
HSL	hsl(66, 86%, 72%)
HSV	hsv(66, 51%, 96%)
CMYK	cmyk(4.9%, 0%, 50.6%, 3.9%)
CIE-LAB	lab(93.45, -20.88, 57.67)
CIE-LCH	lch(93.45, 61.33, 109.90°)
OKLab	oklab(93.63% -0.0601 0.136)
OKLCH	oklch(93.63% 0.149 113.9)
XYZ	xyz(69.7091, 84.0100, 30.6288)
Luminance	0.8401 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F579 #8579F5

analogous

#F5C379 #E9F579 #ABF579

triadic

#E9F579 #79E9F5 #F579E9

tetradic

#E9F579 #79F5C3 #8579F5 #F579AB

square

#E9F579 #79F5C3 #8579F5 #F579AB

split-complementary

#E9F579 #79ABF5 #C379F5

monochromatic

#CEE311 #E0F140 #E9F579 #F2F9B2 #FAFDE3

Accessibility & contrast

On white

1.18

#E9F579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.80

#E9F579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F579

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F579	#FFFFFF	#000000	##000000
##E9F579	1.00	1.18	17.80	17.80
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.80	21.00	1.00	1.00
##000000	17.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6D

Deuteranopia (green-blind)

#FFEE80

Tritanopia (blue-blind)

#F6E9D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #e9f579;
/* rgb */ color: rgb(233, 245, 121);
/* oklch */ color: oklch(93.6% 0.149 113.9);

Tailwind

colors: {
  custom: {
    50: '#f2f8a3',
    500: '#e9f579',
    950: '#000000',
  },
}

SCSS

$custom: #e9f579;
$custom-light: #f2f8a3;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f579",
  "rgb": {
    "r": 233,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 65.806,
    "s": 86.111,
    "l": 71.765
  },
  "oklch": {
    "l": 0.93632,
    "c": 0.14866,
    "h": 113.9
  },
  "luminance": 0.84009
}

Semantic roles & 50–950 ramp

primary

#E9F579

secondary

#5042D0

accent

#03E319

background

#FFFFFC

surface

#FEFEF6

border

#D6D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #E9F579

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

Preview Lab → · Contrast checker → · Palette generator →