#EEFB57#EEFB57

#EEFB57 is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 94.9% C 0.182 H 113.7°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#EEFB57
RGB	rgb(238, 251, 87)
HSL	hsl(65, 95%, 66%)
HSV	hsv(65, 65%, 98%)
CMYK	cmyk(5.2%, 0%, 65.3%, 1.6%)
CIE-LAB	lab(95.10, -24.20, 73.83)
CIE-LCH	lch(95.10, 77.69, 108.15°)
OKLab	oklab(94.95% -0.0731 0.1663)
OKLCH	oklch(94.95% 0.182 113.7)
XYZ	xyz(71.4793, 87.8610, 22.2084)
Luminance	0.8786 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEFB57 #6457FB

analogous

#FBB657 #EEFB57 #9CFB57

triadic

#EEFB57 #57EEFB #FB57EE

tetradic

#EEFB57 #57FBB6 #6457FB #FB579C

square

#EEFB57 #57FBB6 #6457FB #FB579C

split-complementary

#EEFB57 #579CFB #B657FB

monochromatic

#C2D305 #E8FA1B #EEFB57 #F4FC93 #FAFECF

Accessibility & contrast

On white

1.13

#EEFB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#EEFB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEFB57

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEFB57	#FFFFFF	#000000	##000000
##EEFB57	1.00	1.13	18.57	18.57
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.57	21.00	1.00	1.00
##000000	18.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF40

Deuteranopia (green-blind)

#FFF363

Tritanopia (blue-blind)

#FDEDDA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eefb57;
/* rgb */ color: rgb(238, 251, 87);
/* oklch */ color: oklch(94.9% 0.182 113.7);

Tailwind

colors: {
  custom: {
    50: '#f7fc8e',
    500: '#eefb57',
    950: '#000000',
  },
}

SCSS

$custom: #eefb57;
$custom-light: #f7fc8e;
$custom-dark: #000000;

JSON

{
  "hex": "#eefb57",
  "rgb": {
    "r": 238,
    "g": 251,
    "b": 87
  },
  "hsl": {
    "h": 64.756,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.94945,
    "c": 0.18161,
    "h": 113.7
  },
  "luminance": 0.8786
}

Semantic roles & 50–950 ramp

primary

#EEFB57

secondary

#3629CD

accent

#00E612

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EEFB57

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

Preview Lab → · Contrast checker → · Palette generator →