#EFF975#EFF975

#EFF975 is a very light, vivid yellow. Relative luminance 0.874; OKLCH L 94.9% C 0.156 H 112.9°. Best body text is #000000 at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#EFF975
RGB	rgb(239, 249, 117)
HSL	hsl(65, 92%, 72%)
HSV	hsv(65, 53%, 98%)
CMYK	cmyk(4%, 0%, 53%, 2.4%)
CIE-LAB	lab(94.90, -20.79, 61.27)
CIE-LCH	lch(94.90, 64.70, 108.75°)
OKLab	oklab(94.89% -0.0606 0.1433)
OKLCH	oklch(94.89% 0.156 112.9)
XYZ	xyz(72.6847, 87.3878, 29.8648)
Luminance	0.8739 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF975 #7F75F9

analogous

#F9C175 #EFF975 #ADF975

triadic

#EFF975 #75EFF9 #F975EF

tetradic

#EFF975 #75F9C1 #7F75F9 #F975AD

square

#EFF975 #75F9C1 #7F75F9 #F975AD

split-complementary

#EFF975 #75ADF9 #C175F9

monochromatic

#D9E90A #E8F63A #EFF975 #F6FCB0 #FCFEE2

Accessibility & contrast

On white

1.14

#EFF975 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.48

#EFF975 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF975

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF975	#FFFFFF	#000000	##000000
##EFF975	1.00	1.14	18.48	18.48
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.48	21.00	1.00	1.00
##000000	18.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF68

Deuteranopia (green-blind)

#FFF27C

Tritanopia (blue-blind)

#FDECDC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff975;
/* rgb */ color: rgb(239, 249, 117);
/* oklch */ color: oklch(94.9% 0.156 112.9);

Tailwind

colors: {
  custom: {
    50: '#f7fba0',
    500: '#eff975',
    950: '#000000',
  },
}

SCSS

$custom: #eff975;
$custom-light: #f7fba0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff975",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 117
  },
  "hsl": {
    "h": 64.545,
    "s": 91.667,
    "l": 71.765
  },
  "oklch": {
    "l": 0.94885,
    "c": 0.15557,
    "h": 112.9
  },
  "luminance": 0.87386
}

Semantic roles & 50–950 ramp

primary

#EFF975

secondary

#493DD5

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF975

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

Preview Lab → · Contrast checker → · Palette generator →