#E9F966#E9F966

#E9F966 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.3% C 0.170 H 114.9°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#E9F966
RGB	rgb(233, 249, 102)
HSL	hsl(67, 92%, 69%)
HSV	hsv(67, 59%, 98%)
CMYK	cmyk(6.4%, 0%, 59%, 2.4%)
CIE-LAB	lab(94.33, -24.27, 66.95)
CIE-LCH	lch(94.33, 71.22, 109.93°)
OKLab	oklab(94.27% -0.0716 0.1539)
OKLCH	oklch(94.27% 0.17 114.9)
XYZ	xyz(69.8797, 86.0354, 25.4931)
Luminance	0.8603 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F966 #7666F9

analogous

#F9C066 #E9F966 #A0F966

triadic

#E9F966 #66E9F9 #F966E9

tetradic

#E9F966 #66F9C0 #7666F9 #F966A0

square

#E9F966 #66F9C0 #7666F9 #F966A0

split-complementary

#E9F966 #66A0F9 #C066F9

monochromatic

#C5DC09 #E1F72B #E9F966 #F1FBA1 #FAFEDC

Accessibility & contrast

On white

1.15

#E9F966 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#E9F966 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F966

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F966	#FFFFFF	#000000	##000000
##E9F966	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE55

Deuteranopia (green-blind)

#FFF06F

Tritanopia (blue-blind)

#F7ECDA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #e9f966;
/* rgb */ color: rgb(233, 249, 102);
/* oklch */ color: oklch(94.3% 0.170 114.9);

Tailwind

colors: {
  custom: {
    50: '#f3fb97',
    500: '#e9f966',
    950: '#000000',
  },
}

SCSS

$custom: #e9f966;
$custom-light: #f3fb97;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f966",
  "rgb": {
    "r": 233,
    "g": 249,
    "b": 102
  },
  "hsl": {
    "h": 66.531,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.94272,
    "c": 0.16971,
    "h": 114.9
  },
  "luminance": 0.86034
}

Semantic roles & 50–950 ramp

primary

#E9F966

secondary

#4230D3

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E9F966

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

Preview Lab → · Contrast checker → · Palette generator →