#E9F159#E9F159

#E9F159 is a very light, vivid yellow. Relative luminance 0.810; OKLCH L 92.5% C 0.171 H 112.2°. Best body text is #000000 at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#E9F159
RGB	rgb(233, 241, 89)
HSL	hsl(63, 84%, 65%)
HSV	hsv(63, 63%, 95%)
CMYK	cmyk(3.3%, 0%, 63.1%, 5.5%)
CIE-LAB	lab(92.11, -21.31, 69.84)
CIE-LCH	lch(92.11, 73.02, 106.97°)
OKLab	oklab(92.47% -0.0645 0.1583)
OKLCH	oklch(92.47% 0.171 112.2)
XYZ	xyz(66.8646, 80.9570, 21.5532)
Luminance	0.8096 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F159 #6159F1

analogous

#F1AD59 #E9F159 #9DF159

triadic

#E9F159 #59E9F1 #F159E9

tetradic

#E9F159 #59F1AD #6159F1 #F1599D

square

#E9F159 #59F1AD #6159F1 #F1599D

split-complementary

#E9F159 #599DF1 #AD59F1

monochromatic

#B6BF10 #E2EC21 #E9F159 #F0F691 #F8FBCA

Accessibility & contrast

On white

1.22

#E9F159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.19

#E9F159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F159

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F159	#FFFFFF	#000000	##000000
##E9F159	1.00	1.22	17.19	17.19
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.19	21.00	1.00	1.00
##000000	17.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE645

Deuteranopia (green-blind)

#FFEA63

Tritanopia (blue-blind)

#F8E3D2

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #e9f159;
/* rgb */ color: rgb(233, 241, 89);
/* oklch */ color: oklch(92.5% 0.171 112.2);

Tailwind

colors: {
  custom: {
    50: '#f3f58f',
    500: '#e9f159',
    950: '#000000',
  },
}

SCSS

$custom: #e9f159;
$custom-light: #f3f58f;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f159",
  "rgb": {
    "r": 233,
    "g": 241,
    "b": 89
  },
  "hsl": {
    "h": 63.158,
    "s": 84.444,
    "l": 64.706
  },
  "oklch": {
    "l": 0.92466,
    "c": 0.17093,
    "h": 112.2
  },
  "luminance": 0.80956
}

Semantic roles & 50–950 ramp

primary

#E9F159

secondary

#3831BE

accent

#05E110

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9F159

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

Preview Lab → · Contrast checker → · Palette generator →