#E9EF5B#E9EF5B

#E9EF5B is a very light, vivid yellow. Relative luminance 0.798; OKLCH L 92.1% C 0.167 H 111.5°. Best body text is #000000 at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#E9EF5B
RGB	rgb(233, 239, 91)
HSL	hsl(62, 82%, 65%)
HSV	hsv(62, 62%, 94%)
CMYK	cmyk(2.5%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(91.60, -20.23, 68.51)
CIE-LCH	lch(91.60, 71.43, 106.45°)
OKLab	oklab(92.06% -0.0613 0.1557)
OKLCH	oklch(92.06% 0.167 111.5)
XYZ	xyz(66.3610, 79.8135, 21.8053)
Luminance	0.7981 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9EF5B #615BEF

analogous

#EFAB5B #E9EF5B #9FEF5B

triadic

#E9EF5B #5BE9EF #EF5BE9

tetradic

#E9EF5B #5BEFAB #615BEF #EF5B9F

square

#E9EF5B #5BEFAB #615BEF #EF5B9F

split-complementary

#E9EF5B #5B9FEF #AB5BEF

monochromatic

#B6BD12 #E2EA23 #E9EF5B #F0F493 #F8FACB

Accessibility & contrast

On white

1.24

#E9EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.96

#E9EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9EF5B

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9EF5B	#FFFFFF	#000000	##000000
##E9EF5B	1.00	1.24	16.96	16.96
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.96	21.00	1.00	1.00
##000000	16.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE548

Deuteranopia (green-blind)

#FFE965

Tritanopia (blue-blind)

#F8E1D0

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #e9ef5b;
/* rgb */ color: rgb(233, 239, 91);
/* oklch */ color: oklch(92.1% 0.167 111.5);

Tailwind

colors: {
  custom: {
    50: '#f3f490',
    500: '#e9ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #e9ef5b;
$custom-light: #f3f490;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ef5b",
  "rgb": {
    "r": 233,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 62.432,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.92062,
    "c": 0.16736,
    "h": 111.5
  },
  "luminance": 0.79812
}

Semantic roles & 50–950 ramp

primary

#E9EF5B

secondary

#3833BC

accent

#07DF10

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9EF5B

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

Preview Lab → · Contrast checker → · Palette generator →