#E9F059#E9F059

#E9F059 is a very light, vivid yellow. Relative luminance 0.804; OKLCH L 92.3% C 0.170 H 111.8°. Best body text is #000000 at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#E9F059
RGB	rgb(233, 240, 89)
HSL	hsl(63, 83%, 65%)
HSV	hsv(63, 63%, 94%)
CMYK	cmyk(2.9%, 0%, 62.9%, 5.9%)
CIE-LAB	lab(91.85, -20.83, 69.56)
CIE-LCH	lch(91.85, 72.62, 106.67°)
OKLab	oklab(92.26% -0.0632 0.1577)
OKLCH	oklch(92.26% 0.17 111.8)
XYZ	xyz(66.5694, 80.3666, 21.4548)
Luminance	0.8036 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F059 #6059F0

analogous

#F0AB59 #E9F059 #9EF059

triadic

#E9F059 #59E9F0 #F059E9

tetradic

#E9F059 #59F0AB #6059F0 #F0599E

square

#E9F059 #59F0AB #6059F0 #F0599E

split-complementary

#E9F059 #599EF0 #AB59F0

monochromatic

#B5BD11 #E2EB21 #E9F059 #F0F591 #F8FAC9

Accessibility & contrast

On white

1.23

#E9F059 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.07

#E9F059 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F059

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F059	#FFFFFF	#000000	##000000
##E9F059	1.00	1.23	17.07	17.07
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.07	21.00	1.00	1.00
##000000	17.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE645

Deuteranopia (green-blind)

#FFEA63

Tritanopia (blue-blind)

#F8E2D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #e9f059;
/* rgb */ color: rgb(233, 240, 89);
/* oklch */ color: oklch(92.3% 0.170 111.8);

Tailwind

colors: {
  custom: {
    50: '#f3f48f',
    500: '#e9f059',
    950: '#000000',
  },
}

SCSS

$custom: #e9f059;
$custom-light: #f3f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f059",
  "rgb": {
    "r": 233,
    "g": 240,
    "b": 89
  },
  "hsl": {
    "h": 62.781,
    "s": 83.425,
    "l": 64.51
  },
  "oklch": {
    "l": 0.92255,
    "c": 0.16987,
    "h": 111.8
  },
  "luminance": 0.80365
}

Semantic roles & 50–950 ramp

primary

#E9F059

secondary

#3831BC

accent

#06E010

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9F059

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

Preview Lab → · Contrast checker → · Palette generator →