#EFF97C#EFF97C

#EFF97C is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 95.0% C 0.149 H 113.0°. Best body text is #000000 at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#EFF97C
RGB	rgb(239, 249, 124)
HSL	hsl(65, 91%, 73%)
HSV	hsv(65, 50%, 98%)
CMYK	cmyk(4%, 0%, 50.2%, 2.4%)
CIE-LAB	lab(94.97, -20.21, 58.21)
CIE-LCH	lch(94.97, 61.62, 109.15°)
OKLab	oklab(94.97% -0.0583 0.1373)
OKLCH	oklch(94.97% 0.149 113)
XYZ	xyz(73.1117, 87.5586, 32.1139)
Luminance	0.8756 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF97C #867CF9

analogous

#F9C47C #EFF97C #B0F97C

triadic

#EFF97C #7CEFF9 #F97CEF

tetradic

#EFF97C #7CF9C4 #867CF9 #F97CB0

square

#EFF97C #7CF9C4 #867CF9 #F97CB0

split-complementary

#EFF97C #7CB0F9 #C47CF9

monochromatic

#DDF00B #E8F641 #EFF97C #F6FCB7 #FBFEE2

Accessibility & contrast

On white

1.13

#EFF97C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.51

#EFF97C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF97C

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF97C	#FFFFFF	#000000	##000000
##EFF97C	1.00	1.13	18.51	18.51
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.51	21.00	1.00	1.00
##000000	18.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF70

Deuteranopia (green-blind)

#FFF283

Tritanopia (blue-blind)

#FCEDDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff97c;
/* rgb */ color: rgb(239, 249, 124);
/* oklch */ color: oklch(95.0% 0.149 113.0);

Tailwind

colors: {
  custom: {
    50: '#f6fba5',
    500: '#eff97c',
    950: '#000000',
  },
}

SCSS

$custom: #eff97c;
$custom-light: #f6fba5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff97c",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 124
  },
  "hsl": {
    "h": 64.8,
    "s": 91.241,
    "l": 73.137
  },
  "oklch": {
    "l": 0.94966,
    "c": 0.14916,
    "h": 113
  },
  "luminance": 0.87557
}

Semantic roles & 50–950 ramp

primary

#EFF97C

secondary

#4F44D6

accent

#00E612

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF97C

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

Preview Lab → · Contrast checker → · Palette generator →