#EFF363#EFF363

#EFF363 is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.4% C 0.164 H 110.7°. Best body text is #000000 at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#EFF363
RGB	rgb(239, 243, 99)
HSL	hsl(62, 86%, 67%)
HSV	hsv(62, 59%, 95%)
CMYK	cmyk(1.6%, 0%, 59.3%, 4.7%)
CIE-LAB	lab(93.17, -19.24, 67.06)
CIE-LCH	lch(93.17, 69.77, 106.01°)
OKLab	oklab(93.45% -0.058 0.1536)
OKLCH	oklch(93.45% 0.164 110.7)
XYZ	xyz(69.9013, 83.3545, 24.2088)
Luminance	0.8335 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF363 #6763F3

analogous

#F3AF63 #EFF363 #A7F363

triadic

#EFF363 #63EFF3 #F363EF

tetradic

#EFF363 #63F3AF #6763F3 #F363A7

square

#EFF363 #63F3AF #6763F3 #F363A7

split-complementary

#EFF363 #63A7F3 #AF63F3

monochromatic

#C7CC10 #E9EF2A #EFF363 #F5F79C #FBFCD5

Accessibility & contrast

On white

1.19

#EFF363 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.67

#EFF363 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF363

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF363	#FFFFFF	#000000	##000000
##EFF363	1.00	1.19	17.67	17.67
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.67	21.00	1.00	1.00
##000000	17.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE952

Deuteranopia (green-blind)

#FFED6C

Tritanopia (blue-blind)

#FEE5D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff363;
/* rgb */ color: rgb(239, 243, 99);
/* oklch */ color: oklch(93.4% 0.164 110.7);

Tailwind

colors: {
  custom: {
    50: '#f7f695',
    500: '#eff363',
    950: '#000000',
  },
}

SCSS

$custom: #eff363;
$custom-light: #f7f695;
$custom-dark: #000000;

JSON

{
  "hex": "#eff363",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 99
  },
  "hsl": {
    "h": 61.667,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.93447,
    "c": 0.1642,
    "h": 110.7
  },
  "luminance": 0.83353
}

Semantic roles & 50–950 ramp

primary

#EFF363

secondary

#3632C8

accent

#03E209

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF363

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

Preview Lab → · Contrast checker → · Palette generator →