#EFF383#EFF383

#EFF383 is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 93.8% C 0.136 H 110.6°. Best body text is #000000 at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#EFF383
RGB	rgb(239, 243, 131)
HSL	hsl(62, 82%, 73%)
HSV	hsv(62, 46%, 95%)
CMYK	cmyk(1.6%, 0%, 46.1%, 4.7%)
CIE-LAB	lab(93.49, -16.69, 53.20)
CIE-LCH	lch(93.49, 55.75, 107.42°)
OKLab	oklab(93.81% -0.0476 0.1269)
OKLCH	oklch(93.81% 0.136 110.6)
XYZ	xyz(71.7452, 84.0920, 33.9203)
Luminance	0.8409 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF383 #8783F3

analogous

#F3BF83 #EFF383 #B7F383

triadic

#EFF383 #83EFF3 #F383EF

tetradic

#EFF383 #83F3BF #8783F3 #F383B7

square

#EFF383 #83F3BF #8783F3 #F383B7

split-complementary

#EFF383 #83B7F3 #BF83F3

monochromatic

#DEE516 #E8EE4B #EFF383 #F6F8BB #FBFCE3

Accessibility & contrast

On white

1.18

#EFF383 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.82

#EFF383 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF383

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF383	#FFFFFF	#000000	##000000
##EFF383	1.00	1.18	17.82	17.82
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.82	21.00	1.00	1.00
##000000	17.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA79

Deuteranopia (green-blind)

#FFEE89

Tritanopia (blue-blind)

#FCE7D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff383;
/* rgb */ color: rgb(239, 243, 131);
/* oklch */ color: oklch(93.8% 0.136 110.6);

Tailwind

colors: {
  custom: {
    50: '#f6f6a9',
    500: '#eff383',
    950: '#000000',
  },
}

SCSS

$custom: #eff383;
$custom-light: #f6f6a9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff383",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 131
  },
  "hsl": {
    "h": 62.143,
    "s": 82.353,
    "l": 73.333
  },
  "oklch": {
    "l": 0.93807,
    "c": 0.13553,
    "h": 110.6
  },
  "luminance": 0.84091
}

Semantic roles & 50–950 ramp

primary

#EFF383

secondary

#504BCF

accent

#07DF0E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF383

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

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