#EFF97F#EFF97F

#EFF97F is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 95.0% C 0.146 H 113.0°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFF97F
RGB	rgb(239, 249, 127)
HSL	hsl(65, 91%, 74%)
HSV	hsv(65, 49%, 98%)
CMYK	cmyk(4%, 0%, 49%, 2.4%)
CIE-LAB	lab(95.01, -19.95, 56.88)
CIE-LCH	lch(95.01, 60.27, 109.33°)
OKLab	oklab(95% -0.0572 0.1347)
OKLCH	oklch(95% 0.146 113)
XYZ	xyz(73.3043, 87.6356, 33.1283)
Luminance	0.8763 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF97F #897FF9

analogous

#F9C67F #EFF97F #B2F97F

triadic

#EFF97F #7FEFF9 #F97FEF

tetradic

#EFF97F #7FF9C6 #897FF9 #F97FB2

square

#EFF97F #7FF9C6 #897FF9 #F97FB2

split-complementary

#EFF97F #7FB2F9 #C67FF9

monochromatic

#DFF20B #E8F645 #EFF97F #F6FCB9 #FBFEE2

Accessibility & contrast

On white

1.13

#EFF97F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#EFF97F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF97F

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF97F	#FFFFFF	#000000	##000000
##EFF97F	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)

#FFEF74

Deuteranopia (green-blind)

#FFF285

Tritanopia (blue-blind)

#FCEDDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff97f;
/* rgb */ color: rgb(239, 249, 127);
/* oklch */ color: oklch(95.0% 0.146 113.0);

Tailwind

colors: {
  custom: {
    50: '#f6fba7',
    500: '#eff97f',
    950: '#000000',
  },
}

SCSS

$custom: #eff97f;
$custom-light: #f6fba7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff97f",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 127
  },
  "hsl": {
    "h": 64.918,
    "s": 91.045,
    "l": 73.725
  },
  "oklch": {
    "l": 0.95002,
    "c": 0.14632,
    "h": 113
  },
  "luminance": 0.87634
}

Semantic roles & 50–950 ramp

primary

#EFF97F

secondary

#5246D6

accent

#00E613

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFF97F

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

Preview Lab → · Contrast checker → · Palette generator →