#E9F45B#E9F45B

#E9F45B is a very light, vivid yellow. Relative luminance 0.828; OKLCH L 93.1% C 0.173 H 113.2°. Best body text is #000000 at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#E9F45B
RGB	rgb(233, 244, 91)
HSL	hsl(64, 87%, 66%)
HSV	hsv(64, 63%, 96%)
CMYK	cmyk(4.5%, 0%, 62.7%, 4.3%)
CIE-LAB	lab(92.92, -22.63, 69.90)
CIE-LCH	lch(92.92, 73.47, 107.94°)
OKLab	oklab(93.12% -0.068 0.1587)
OKLCH	oklch(93.12% 0.173 113.2)
XYZ	xyz(67.8451, 82.7817, 22.3000)
Luminance	0.8278 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F45B #665BF4

analogous

#F4B35B #E9F45B #9CF45B

triadic

#E9F45B #5BE9F4 #F45BE9

tetradic

#E9F45B #5BF4B3 #665BF4 #F45B9C

square

#E9F45B #5BF4B3 #665BF4 #F45B9C

split-complementary

#E9F45B #5B9CF4 #B35BF4

monochromatic

#BAC70D #E1F022 #E9F45B #F1F894 #F8FCCE

Accessibility & contrast

On white

1.20

#E9F45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.56

#E9F45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F45B

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F45B	#FFFFFF	#000000	##000000
##E9F45B	1.00	1.20	17.56	17.56
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.56	21.00	1.00	1.00
##000000	17.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE947

Deuteranopia (green-blind)

#FFEC65

Tritanopia (blue-blind)

#F8E6D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e9f45b;
/* rgb */ color: rgb(233, 244, 91);
/* oklch */ color: oklch(93.1% 0.173 113.2);

Tailwind

colors: {
  custom: {
    50: '#f3f790',
    500: '#e9f45b',
    950: '#000000',
  },
}

SCSS

$custom: #e9f45b;
$custom-light: #f3f790;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f45b",
  "rgb": {
    "r": 233,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 64.314,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.93116,
    "c": 0.17264,
    "h": 113.2
  },
  "luminance": 0.8278
}

Semantic roles & 50–950 ramp

primary

#E9F45B

secondary

#3A2FC4

accent

#02E412

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9F45B

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

Preview Lab → · Contrast checker → · Palette generator →