#EFF056#EFF056

#EFF056 is a very light, vivid yellow. Relative luminance 0.813; OKLCH L 92.7% C 0.171 H 109.7°. Best body text is #000000 at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFF056
RGB	rgb(239, 240, 86)
HSL	hsl(60, 84%, 64%)
HSV	hsv(60, 64%, 94%)
CMYK	cmyk(0.4%, 0%, 64.2%, 5.9%)
CIE-LAB	lab(92.28, -18.59, 71.33)
CIE-LCH	lch(92.28, 73.72, 104.61°)
OKLab	oklab(92.71% -0.0575 0.1608)
OKLCH	oklch(92.71% 0.171 109.7)
XYZ	xyz(68.4386, 81.3447, 20.8982)
Luminance	0.8134 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF056 #5756F0

analogous

#F0A456 #EFF056 #A2F056

triadic

#EFF056 #56EFF0 #F056EF

tetradic

#EFF056 #56F0A4 #5756F0 #F056A2

square

#EFF056 #56F0A4 #5756F0 #F056A2

split-complementary

#EFF056 #56A2F0 #A456F0

monochromatic

#BABB11 #EAEB1E #EFF056 #F4F58E #FAFAC6

Accessibility & contrast

On white

1.22

#EFF056 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.27

#EFF056 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF056

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF056	#FFFFFF	#000000	##000000
##EFF056	1.00	1.22	17.27	17.27
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.27	21.00	1.00	1.00
##000000	17.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE641

Deuteranopia (green-blind)

#FFEB60

Tritanopia (blue-blind)

#FFE2D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #eff056;
/* rgb */ color: rgb(239, 240, 86);
/* oklch */ color: oklch(92.7% 0.171 109.7);

Tailwind

colors: {
  custom: {
    50: '#f8f48d',
    500: '#eff056',
    950: '#000000',
  },
}

SCSS

$custom: #eff056;
$custom-light: #f8f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#eff056",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 86
  },
  "hsl": {
    "h": 60.39,
    "s": 83.696,
    "l": 63.922
  },
  "oklch": {
    "l": 0.92709,
    "c": 0.1708,
    "h": 109.7
  },
  "luminance": 0.81343
}

Semantic roles & 50–950 ramp

primary

#EFF056

secondary

#3130BA

accent

#05E007

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF056

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

Preview Lab → · Contrast checker → · Palette generator →