#EFF654#EFF654

#EFF654 is a very light, vivid yellow. Relative luminance 0.849; OKLCH L 93.9% C 0.178 H 111.8°. Best body text is #000000 at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#EFF654
RGB	rgb(239, 246, 84)
HSL	hsl(63, 90%, 65%)
HSV	hsv(63, 66%, 96%)
CMYK	cmyk(2.8%, 0%, 65.9%, 3.5%)
CIE-LAB	lab(93.84, -21.59, 73.69)
CIE-LCH	lch(93.84, 76.78, 106.33°)
OKLab	oklab(93.95% -0.0661 0.1655)
OKLCH	oklch(93.95% 0.178 111.8)
XYZ	xyz(70.1547, 84.9040, 21.0783)
Luminance	0.8490 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF654 #5B54F6

analogous

#F6AC54 #EFF654 #9EF654

triadic

#EFF654 #54EFF6 #F654EF

tetradic

#EFF654 #54F6AC #5B54F6 #F6549E

square

#EFF654 #54F6AC #5B54F6 #F6549E

split-complementary

#EFF654 #549EF6 #AC54F6

monochromatic

#BDC50A #EAF31A #EFF654 #F4F98E #FAFCC8

Accessibility & contrast

On white

1.17

#EFF654 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.98

#EFF654 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF654

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF654	#FFFFFF	#000000	##000000
##EFF654	1.00	1.17	17.98	17.98
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.98	21.00	1.00	1.00
##000000	17.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB3C

Deuteranopia (green-blind)

#FFEF5F

Tritanopia (blue-blind)

#FFE8D5

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff654;
/* rgb */ color: rgb(239, 246, 84);
/* oklch */ color: oklch(93.9% 0.178 111.8);

Tailwind

colors: {
  custom: {
    50: '#f8f98c',
    500: '#eff654',
    950: '#000000',
  },
}

SCSS

$custom: #eff654;
$custom-light: #f8f98c;
$custom-dark: #000000;

JSON

{
  "hex": "#eff654",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 84
  },
  "hsl": {
    "h": 62.593,
    "s": 90,
    "l": 64.706
  },
  "oklch": {
    "l": 0.93948,
    "c": 0.17821,
    "h": 111.8
  },
  "luminance": 0.84902
}

Semantic roles & 50–950 ramp

primary

#EFF654

secondary

#332CC2

accent

#00E60A

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF654

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

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