#E1EF57#E1EF57

#E1EF57 is a very light, vivid yellow. Relative luminance 0.784; OKLCH L 91.4% C 0.172 H 114.3°. Best body text is #000000 at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#E1EF57
RGB	rgb(225, 239, 87)
HSL	hsl(66, 83%, 64%)
HSV	hsv(66, 64%, 94%)
CMYK	cmyk(5.9%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(90.98, -23.68, 69.25)
CIE-LCH	lch(90.98, 73.19, 108.88°)
OKLab	oklab(91.41% -0.0709 0.1569)
OKLCH	oklch(91.41% 0.172 114.3)
XYZ	xyz(63.6397, 78.4298, 20.8010)
Luminance	0.7843 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1EF57 #6557EF

analogous

#EFB157 #E1EF57 #95EF57

triadic

#E1EF57 #57E1EF #EF57E1

tetradic

#E1EF57 #57EFB1 #6557EF #EF5795

square

#E1EF57 #57EFB1 #6557EF #EF5795

split-complementary

#E1EF57 #5795EF #B157EF

monochromatic

#AABA12 #D7EA1F #E1EF57 #EBF48F #F5FAC7

Accessibility & contrast

On white

1.26

#E1EF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.69

#E1EF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1EF57

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1EF57	#FFFFFF	#000000	##000000
##E1EF57	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)

#FFE443

Deuteranopia (green-blind)

#FFE761

Tritanopia (blue-blind)

#EFE2D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e1ef57;
/* rgb */ color: rgb(225, 239, 87);
/* oklch */ color: oklch(91.4% 0.172 114.3);

Tailwind

colors: {
  custom: {
    50: '#eef48d',
    500: '#e1ef57',
    950: '#000000',
  },
}

SCSS

$custom: #e1ef57;
$custom-light: #eef48d;
$custom-dark: #000000;

JSON

{
  "hex": "#e1ef57",
  "rgb": {
    "r": 225,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 65.526,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.91405,
    "c": 0.17221,
    "h": 114.3
  },
  "luminance": 0.78429
}

Semantic roles & 50–950 ramp

primary

#E1EF57

secondary

#3E31B9

accent

#06DF1A

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E1EF57

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

Preview Lab → · Contrast checker → · Palette generator →