#EFF680#EFF680

#EFF680 is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.142 H 111.8°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#EFF680
RGB	rgb(239, 246, 128)
HSL	hsl(64, 87%, 73%)
HSV	hsv(64, 48%, 96%)
CMYK	cmyk(2.8%, 0%, 48%, 3.5%)
CIE-LAB	lab(94.24, -18.42, 55.49)
CIE-LCH	lch(94.24, 58.47, 108.36°)
OKLab	oklab(94.39% -0.0528 0.1317)
OKLCH	oklch(94.39% 0.142 111.8)
XYZ	xyz(72.4500, 85.8221, 33.1666)
Luminance	0.8582 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF680 #8780F6

analogous

#F6C280 #EFF680 #B4F680

triadic

#EFF680 #80EFF6 #F680EF

tetradic

#EFF680 #80F6C2 #8780F6 #F680B4

square

#EFF680 #80F6C2 #8780F6 #F680B4

split-complementary

#EFF680 #80B4F6 #C280F6

monochromatic

#DEEB11 #E8F247 #EFF680 #F6FAB9 #FBFDE2

Accessibility & contrast

On white

1.16

#EFF680 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#EFF680 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF680

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF680	#FFFFFF	#000000	##000000
##EFF680	1.00	1.16	18.16	18.16
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.16	21.00	1.00	1.00
##000000	18.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED75

Deuteranopia (green-blind)

#FFF086

Tritanopia (blue-blind)

#FCEADB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff680;
/* rgb */ color: rgb(239, 246, 128);
/* oklch */ color: oklch(94.4% 0.142 111.8);

Tailwind

colors: {
  custom: {
    50: '#f6f9a7',
    500: '#eff680',
    950: '#000000',
  },
}

SCSS

$custom: #eff680;
$custom-light: #f6f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff680",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 128
  },
  "hsl": {
    "h": 63.559,
    "s": 86.765,
    "l": 73.333
  },
  "oklch": {
    "l": 0.9439,
    "c": 0.1419,
    "h": 111.8
  },
  "luminance": 0.85821
}

Semantic roles & 50–950 ramp

primary

#EFF680

secondary

#5048D2

accent

#02E310

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF680

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

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