#E5EF57#E5EF57

#E5EF57 is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.7% C 0.171 H 112.9°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#E5EF57
RGB	rgb(229, 239, 87)
HSL	hsl(64, 83%, 64%)
HSV	hsv(64, 64%, 94%)
CMYK	cmyk(4.2%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(91.27, -22.08, 69.65)
CIE-LCH	lch(91.27, 73.07, 107.59°)
OKLab	oklab(91.71% -0.0666 0.1577)
OKLCH	oklch(91.71% 0.171 112.9)
XYZ	xyz(64.9017, 79.0805, 20.8601)
Luminance	0.7908 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EF57 #6157EF

analogous

#EFAD57 #E5EF57 #99EF57

triadic

#E5EF57 #57E5EF #EF57E5

tetradic

#E5EF57 #57EFAD #6157EF #EF5799

square

#E5EF57 #57EFAD #6157EF #EF5799

split-complementary

#E5EF57 #5799EF #AD57EF

monochromatic

#AFBA12 #DCEA1F #E5EF57 #EEF48F #F6FAC7

Accessibility & contrast

On white

1.25

#E5EF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.82

#E5EF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EF57

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EF57	#FFFFFF	#000000	##000000
##E5EF57	1.00	1.25	16.82	16.82
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.82	21.00	1.00	1.00
##000000	16.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE443

Deuteranopia (green-blind)

#FFE861

Tritanopia (blue-blind)

#F4E1D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e5ef57;
/* rgb */ color: rgb(229, 239, 87);
/* oklch */ color: oklch(91.7% 0.171 112.9);

Tailwind

colors: {
  custom: {
    50: '#f0f48d',
    500: '#e5ef57',
    950: '#000000',
  },
}

SCSS

$custom: #e5ef57;
$custom-light: #f0f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ef57",
  "rgb": {
    "r": 229,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 63.947,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.91714,
    "c": 0.17119,
    "h": 112.9
  },
  "luminance": 0.79079
}

Semantic roles & 50–950 ramp

primary

#E5EF57

secondary

#3A31B9

accent

#06DF15

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E5EF57

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

Preview Lab → · Contrast checker → · Palette generator →