#EFF956#EFF956

#EFF956 is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.6% C 0.180 H 112.8°. Best body text is #000000 at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#EFF956
RGB	rgb(239, 249, 86)
HSL	hsl(64, 93%, 66%)
HSV	hsv(64, 65%, 98%)
CMYK	cmyk(4%, 0%, 65.5%, 2.4%)
CIE-LAB	lab(94.64, -22.91, 73.75)
CIE-LCH	lch(94.64, 77.23, 107.25°)
OKLab	oklab(94.59% -0.0696 0.1659)
OKLCH	oklch(94.59% 0.18 112.8)
XYZ	xyz(71.1540, 86.7755, 21.8034)
Luminance	0.8677 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF956 #6056F9

analogous

#F9B156 #EFF956 #9DF956

triadic

#EFF956 #56EFF9 #F956EF

tetradic

#EFF956 #56F9B1 #6056F9 #F9569D

square

#EFF956 #56F9B1 #6056F9 #F9569D

split-complementary

#EFF956 #569DF9 #B156F9

monochromatic

#C1CD07 #E9F71B #EFF956 #F5FB91 #FAFDCC

Accessibility & contrast

On white

1.14

#EFF956 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.35

#EFF956 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF956

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF956	#FFFFFF	#000000	##000000
##EFF956	1.00	1.14	18.35	18.35
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.35	21.00	1.00	1.00
##000000	18.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE3F

Deuteranopia (green-blind)

#FFF161

Tritanopia (blue-blind)

#FEEBD8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff956;
/* rgb */ color: rgb(239, 249, 86);
/* oklch */ color: oklch(94.6% 0.180 112.8);

Tailwind

colors: {
  custom: {
    50: '#f8fb8e',
    500: '#eff956',
    950: '#000000',
  },
}

SCSS

$custom: #eff956;
$custom-light: #f8fb8e;
$custom-dark: #000000;

JSON

{
  "hex": "#eff956",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 86
  },
  "hsl": {
    "h": 63.681,
    "s": 93.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.94594,
    "c": 0.17995,
    "h": 112.8
  },
  "luminance": 0.86774
}

Semantic roles & 50–950 ramp

primary

#EFF956

secondary

#342AC9

accent

#00E60E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF956

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

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