#EFF97D#EFF97D

#EFF97D is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 95.0% C 0.148 H 113.0°. Best body text is #000000 at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#EFF97D
RGB	rgb(239, 249, 125)
HSL	hsl(65, 91%, 73%)
HSV	hsv(65, 50%, 98%)
CMYK	cmyk(4%, 0%, 49.8%, 2.4%)
CIE-LAB	lab(94.99, -20.13, 57.76)
CIE-LCH	lch(94.99, 61.17, 109.21°)
OKLab	oklab(94.98% -0.0579 0.1364)
OKLCH	oklch(94.98% 0.148 113)
XYZ	xyz(73.1753, 87.5840, 32.4487)
Luminance	0.8758 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF97D #877DF9

analogous

#F9C57D #EFF97D #B1F97D

triadic

#EFF97D #7DEFF9 #F97DEF

tetradic

#EFF97D #7DF9C5 #877DF9 #F97DB1

square

#EFF97D #7DF9C5 #877DF9 #F97DB1

split-complementary

#EFF97D #7DB1F9 #C57DF9

monochromatic

#DEF00B #E8F642 #EFF97D #F6FCB7 #FBFEE2

Accessibility & contrast

On white

1.13

#EFF97D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.52

#EFF97D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF97D

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF97D	#FFFFFF	#000000	##000000
##EFF97D	1.00	1.13	18.52	18.52
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.52	21.00	1.00	1.00
##000000	18.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF72

Deuteranopia (green-blind)

#FFF284

Tritanopia (blue-blind)

#FCEDDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff97d;
/* rgb */ color: rgb(239, 249, 125);
/* oklch */ color: oklch(95.0% 0.148 113.0);

Tailwind

colors: {
  custom: {
    50: '#f6fba5',
    500: '#eff97d',
    950: '#000000',
  },
}

SCSS

$custom: #eff97d;
$custom-light: #f6fba5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff97d",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 125
  },
  "hsl": {
    "h": 64.839,
    "s": 91.176,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94978,
    "c": 0.14822,
    "h": 113
  },
  "luminance": 0.87583
}

Semantic roles & 50–950 ramp

primary

#EFF97D

secondary

#5044D6

accent

#00E613

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF97D

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

Preview Lab → · Contrast checker → · Palette generator →