#EFF255#EFF255

#EFF255 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.1% C 0.173 H 110.4°. Best body text is #000000 at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFF255
RGB	rgb(239, 242, 85)
HSL	hsl(61, 86%, 64%)
HSV	hsv(61, 65%, 95%)
CMYK	cmyk(1.2%, 0%, 64.9%, 5.1%)
CIE-LAB	lab(92.80, -19.62, 72.25)
CIE-LCH	lch(92.80, 74.86, 105.19°)
OKLab	oklab(93.12% -0.0605 0.1626)
OKLCH	oklch(93.12% 0.173 110.4)
XYZ	xyz(68.9906, 82.5127, 20.8849)
Luminance	0.8251 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF255 #5855F2

analogous

#F2A655 #EFF255 #A1F255

triadic

#EFF255 #55EFF2 #F255EF

tetradic

#EFF255 #55F2A6 #5855F2 #F255A1

square

#EFF255 #55F2A6 #5855F2 #F255A1

split-complementary

#EFF255 #55A1F2 #A655F2

monochromatic

#BBBE0F #EAEE1C #EFF255 #F4F68E #FAFBC7

Accessibility & contrast

On white

1.20

#EFF255 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.50

#EFF255 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF255

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF255	#FFFFFF	#000000	##000000
##EFF255	1.00	1.20	17.50	17.50
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.50	21.00	1.00	1.00
##000000	17.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE83F

Deuteranopia (green-blind)

#FFED60

Tritanopia (blue-blind)

#FFE4D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff255;
/* rgb */ color: rgb(239, 242, 85);
/* oklch */ color: oklch(93.1% 0.173 110.4);

Tailwind

colors: {
  custom: {
    50: '#f8f68d',
    500: '#eff255',
    950: '#000000',
  },
}

SCSS

$custom: #eff255;
$custom-light: #f8f68d;
$custom-dark: #000000;

JSON

{
  "hex": "#eff255",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 85
  },
  "hsl": {
    "h": 61.146,
    "s": 85.792,
    "l": 64.118
  },
  "oklch": {
    "l": 0.93118,
    "c": 0.17349,
    "h": 110.4
  },
  "luminance": 0.82511
}

Semantic roles & 50–950 ramp

primary

#EFF255

secondary

#322FBC

accent

#03E207

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF255

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

Preview Lab → · Contrast checker → · Palette generator →