#EFF970#EFF970

#EFF970 is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 94.8% C 0.160 H 112.9°. Best body text is #000000 at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#EFF970
RGB	rgb(239, 249, 112)
HSL	hsl(64, 92%, 71%)
HSV	hsv(64, 55%, 98%)
CMYK	cmyk(4%, 0%, 55%, 2.4%)
CIE-LAB	lab(94.85, -21.19, 63.41)
CIE-LCH	lch(94.85, 66.85, 108.48°)
OKLab	oklab(94.83% -0.0622 0.1474)
OKLCH	oklch(94.83% 0.16 112.9)
XYZ	xyz(72.3985, 87.2733, 28.3577)
Luminance	0.8727 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF970 #7A70F9

analogous

#F9BF70 #EFF970 #AAF970

triadic

#EFF970 #70EFF9 #F970EF

tetradic

#EFF970 #70F9BF #7A70F9 #F970AA

square

#EFF970 #70F9BF #7A70F9 #F970AA

split-complementary

#EFF970 #70AAF9 #BF70F9

monochromatic

#D5E50A #E8F735 #EFF970 #F6FBAB #FCFEE2

Accessibility & contrast

On white

1.14

#EFF970 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.45

#EFF970 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF970

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF970	#FFFFFF	#000000	##000000
##EFF970	1.00	1.14	18.45	18.45
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.45	21.00	1.00	1.00
##000000	18.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF62

Deuteranopia (green-blind)

#FFF278

Tritanopia (blue-blind)

#FDECDB

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff970;
/* rgb */ color: rgb(239, 249, 112);
/* oklch */ color: oklch(94.8% 0.160 112.9);

Tailwind

colors: {
  custom: {
    50: '#f7fb9d',
    500: '#eff970',
    950: '#000000',
  },
}

SCSS

$custom: #eff970;
$custom-light: #f7fb9d;
$custom-dark: #000000;

JSON

{
  "hex": "#eff970",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 112
  },
  "hsl": {
    "h": 64.38,
    "s": 91.946,
    "l": 70.784
  },
  "oklch": {
    "l": 0.9483,
    "c": 0.15995,
    "h": 112.9
  },
  "luminance": 0.87272
}

Semantic roles & 50–950 ramp

primary

#EFF970

secondary

#4439D4

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF970

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

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