#EFF964#EFF964

#EFF964 is a very light, vivid yellow. Relative luminance 0.870; OKLCH L 94.7% C 0.170 H 112.8°. Best body text is #000000 at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#EFF964
RGB	rgb(239, 249, 100)
HSL	hsl(64, 93%, 68%)
HSV	hsv(64, 60%, 98%)
CMYK	cmyk(4%, 0%, 59.8%, 2.4%)
CIE-LAB	lab(94.75, -22.05, 68.36)
CIE-LCH	lch(94.75, 71.83, 107.87°)
OKLab	oklab(94.71% -0.0658 0.1565)
OKLCH	oklch(94.71% 0.17 112.8)
XYZ	xyz(71.7743, 87.0236, 25.0704)
Luminance	0.8702 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF964 #6E64F9

analogous

#F9B864 #EFF964 #A4F964

triadic

#EFF964 #64EFF9 #F964EF

tetradic

#EFF964 #64F9B8 #6E64F9 #F964A4

square

#EFF964 #64F9B8 #6E64F9 #F964A4

split-complementary

#EFF964 #64A4F9 #B864F9

monochromatic

#CCDA08 #E9F729 #EFF964 #F5FB9F #FBFEDA

Accessibility & contrast

On white

1.14

#EFF964 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.40

#EFF964 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF964

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF964	#FFFFFF	#000000	##000000
##EFF964	1.00	1.14	18.40	18.40
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.40	21.00	1.00	1.00
##000000	18.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE52

Deuteranopia (green-blind)

#FFF26D

Tritanopia (blue-blind)

#FEEBDA

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff964;
/* rgb */ color: rgb(239, 249, 100);
/* oklch */ color: oklch(94.7% 0.170 112.8);

Tailwind

colors: {
  custom: {
    50: '#f7fb96',
    500: '#eff964',
    950: '#000000',
  },
}

SCSS

$custom: #eff964;
$custom-light: #f7fb96;
$custom-dark: #000000;

JSON

{
  "hex": "#eff964",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 100
  },
  "hsl": {
    "h": 64.027,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.94712,
    "c": 0.16978,
    "h": 112.8
  },
  "luminance": 0.87022
}

Semantic roles & 50–950 ramp

primary

#EFF964

secondary

#3A2FD2

accent

#00E60F

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF964

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

Preview Lab → · Contrast checker → · Palette generator →