#EFF254#EFF254

#EFF254 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.1% C 0.174 H 110.4°. Best body text is #000000 at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFF254
RGB	rgb(239, 242, 84)
HSL	hsl(61, 86%, 64%)
HSV	hsv(61, 65%, 95%)
CMYK	cmyk(1.2%, 0%, 65.3%, 5.1%)
CIE-LAB	lab(92.79, -19.67, 72.62)
CIE-LCH	lch(92.79, 75.23, 105.16°)
OKLab	oklab(93.11% -0.0607 0.1632)
OKLCH	oklch(93.11% 0.174 110.4)
XYZ	xyz(68.9512, 82.4969, 20.6771)
Luminance	0.8249 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF254 #5754F2

analogous

#F2A654 #EFF254 #A0F254

triadic

#EFF254 #54EFF2 #F254EF

tetradic

#EFF254 #54F2A6 #5754F2 #F254A0

square

#EFF254 #54F2A6 #5754F2 #F254A0

split-complementary

#EFF254 #54A0F2 #A654F2

monochromatic

#BABD0E #EAEE1B #EFF254 #F4F68D #FAFBC6

Accessibility & contrast

On white

1.20

#EFF254 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.50

#EFF254 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF254

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF254	#FFFFFF	#000000	##000000
##EFF254	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)

#FFE83D

Deuteranopia (green-blind)

#FFED5F

Tritanopia (blue-blind)

#FFE3D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff254;
/* rgb */ color: rgb(239, 242, 84);
/* oklch */ color: oklch(93.1% 0.174 110.4);

Tailwind

colors: {
  custom: {
    50: '#f8f68c',
    500: '#eff254',
    950: '#000000',
  },
}

SCSS

$custom: #eff254;
$custom-light: #f8f68c;
$custom-dark: #000000;

JSON

{
  "hex": "#eff254",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 84
  },
  "hsl": {
    "h": 61.139,
    "s": 85.87,
    "l": 63.922
  },
  "oklch": {
    "l": 0.9311,
    "c": 0.17417,
    "h": 110.4
  },
  "luminance": 0.82495
}

Semantic roles & 50–950 ramp

primary

#EFF254

secondary

#312FBB

accent

#03E207

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF254

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

Preview Lab → · Contrast checker → · Palette generator →