#EFF980#EFF980

#EFF980 is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 95.0% C 0.145 H 113.0°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFF980
RGB	rgb(239, 249, 128)
HSL	hsl(65, 91%, 74%)
HSV	hsv(65, 49%, 98%)
CMYK	cmyk(4%, 0%, 48.6%, 2.4%)
CIE-LAB	lab(95.02, -19.86, 56.43)
CIE-LCH	lch(95.02, 59.82, 109.39°)
OKLab	oklab(95.02% -0.0569 0.1338)
OKLCH	oklch(95.02% 0.145 113)
XYZ	xyz(73.3698, 87.6618, 33.4733)
Luminance	0.8766 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF980 #8A80F9

analogous

#F9C780 #EFF980 #B3F980

triadic

#EFF980 #80EFF9 #F980EF

tetradic

#EFF980 #80F9C7 #8A80F9 #F980B3

square

#EFF980 #80F9C7 #8A80F9 #F980B3

split-complementary

#EFF980 #80B3F9 #C780F9

monochromatic

#E0F30B #E8F646 #EFF980 #F6FCBA #FBFEE2

Accessibility & contrast

On white

1.13

#EFF980 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#EFF980 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF980

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF980	#FFFFFF	#000000	##000000
##EFF980	1.00	1.13	18.53	18.53
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.53	21.00	1.00	1.00
##000000	18.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF75

Deuteranopia (green-blind)

#FFF286

Tritanopia (blue-blind)

#FCEDDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff980;
/* rgb */ color: rgb(239, 249, 128);
/* oklch */ color: oklch(95.0% 0.145 113.0);

Tailwind

colors: {
  custom: {
    50: '#f6fba7',
    500: '#eff980',
    950: '#000000',
  },
}

SCSS

$custom: #eff980;
$custom-light: #f6fba7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff980",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 128
  },
  "hsl": {
    "h": 64.959,
    "s": 90.977,
    "l": 73.922
  },
  "oklch": {
    "l": 0.95015,
    "c": 0.14537,
    "h": 113
  },
  "luminance": 0.87661
}

Semantic roles & 50–950 ramp

primary

#EFF980

secondary

#5347D6

accent

#00E613

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF980

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

Preview Lab → · Contrast checker → · Palette generator →