#E1EF59#E1EF59

#E1EF59 is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.4% C 0.171 H 114.3°. Best body text is #000000 at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#E1EF59
RGB	rgb(225, 239, 89)
HSL	hsl(66, 82%, 64%)
HSV	hsv(66, 63%, 94%)
CMYK	cmyk(5.9%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(90.99, -23.56, 68.48)
CIE-LCH	lch(90.99, 72.42, 108.98°)
OKLab	oklab(91.42% -0.0704 0.1556)
OKLCH	oklch(91.42% 0.171 114.3)
XYZ	xyz(63.7226, 78.4629, 21.2373)
Luminance	0.7846 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1EF59 #6759EF

analogous

#EFB259 #E1EF59 #96EF59

triadic

#E1EF59 #59E1EF #EF59E1

tetradic

#E1EF59 #59EFB2 #6759EF #EF5996

square

#E1EF59 #59EFB2 #6759EF #EF5996

split-complementary

#E1EF59 #5996EF #B259EF

monochromatic

#ACBC12 #D7EA21 #E1EF59 #EBF491 #F5FAC9

Accessibility & contrast

On white

1.26

#E1EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.69

#E1EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1EF59

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1EF59	#FFFFFF	#000000	##000000
##E1EF59	1.00	1.26	16.69	16.69
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.69	21.00	1.00	1.00
##000000	16.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE446

Deuteranopia (green-blind)

#FFE763

Tritanopia (blue-blind)

#EFE2D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e1ef59;
/* rgb */ color: rgb(225, 239, 89);
/* oklch */ color: oklch(91.4% 0.171 114.3);

Tailwind

colors: {
  custom: {
    50: '#edf48f',
    500: '#e1ef59',
    950: '#000000',
  },
}

SCSS

$custom: #e1ef59;
$custom-light: #edf48f;
$custom-dark: #000000;

JSON

{
  "hex": "#e1ef59",
  "rgb": {
    "r": 225,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 65.6,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.91422,
    "c": 0.17076,
    "h": 114.3
  },
  "luminance": 0.78462
}

Semantic roles & 50–950 ramp

primary

#E1EF59

secondary

#3F32BA

accent

#07DF1B

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E1EF59

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

Preview Lab → · Contrast checker → · Palette generator →