#EEF143#EEF143

#EEF143 is a very light, vivid yellow. Relative luminance 0.815; OKLCH L 92.7% C 0.184 H 110.5°. Best body text is #000000 at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#EEF143
RGB	rgb(238, 241, 67)
HSL	hsl(61, 86%, 60%)
HSV	hsv(61, 72%, 95%)
CMYK	cmyk(1.2%, 0%, 72.2%, 5.5%)
CIE-LAB	lab(92.35, -20.43, 78.13)
CIE-LCH	lch(92.35, 80.76, 104.65°)
OKLab	oklab(92.71% -0.0644 0.1721)
OKLCH	oklch(92.71% 0.184 110.5)
XYZ	xyz(67.7307, 81.4949, 17.4713)
Luminance	0.8149 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEF143 #4643F1

analogous

#F19D43 #EEF143 #97F143

triadic

#EEF143 #43EEF1 #F143EE

tetradic

#EEF143 #43F19D #4643F1 #F14397

square

#EEF143 #43F19D #4643F1 #F14397

split-complementary

#EEF143 #4397F1 #9D43F1

monochromatic

#AAAD0D #E2E611 #EEF143 #F3F57C #F8F9B5

Accessibility & contrast

On white

1.21

#EEF143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.30

#EEF143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEF143

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEF143	#FFFFFF	#000000	##000000
##EEF143	1.00	1.21	17.30	17.30
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.30	21.00	1.00	1.00
##000000	17.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE61F

Deuteranopia (green-blind)

#FFEB51

Tritanopia (blue-blind)

#FFE2D0

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #eef143;
/* rgb */ color: rgb(238, 241, 67);
/* oklch */ color: oklch(92.7% 0.184 110.5);

Tailwind

colors: {
  custom: {
    50: '#f8f583',
    500: '#eef143',
    950: '#000000',
  },
}

SCSS

$custom: #eef143;
$custom-light: #f8f583;
$custom-dark: #000000;

JSON

{
  "hex": "#eef143",
  "rgb": {
    "r": 238,
    "g": 241,
    "b": 67
  },
  "hsl": {
    "h": 61.034,
    "s": 86.139,
    "l": 60.392
  },
  "oklch": {
    "l": 0.92705,
    "c": 0.18379,
    "h": 110.5
  },
  "luminance": 0.81493
}

Semantic roles & 50–950 ramp

primary

#EEF143

secondary

#2D2BAD

accent

#03E307

background

#FFFFFC

surface

#FFFEF3

border

#D7D6CD

text

#18170C

muted

#86857F

Preview Lab

Preview with #EEF143

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

Preview Lab → · Contrast checker → · Palette generator →