#EFFA83#EFFA83

#EFFA83 is a very light, vivid yellow. Relative luminance 0.884; OKLCH L 95.3% C 0.144 H 113.5°. Best body text is #000000 at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA83
RGB	rgb(239, 250, 131)
HSL	hsl(66, 92%, 75%)
HSV	hsv(66, 48%, 98%)
CMYK	cmyk(4.4%, 0%, 47.6%, 2%)
CIE-LAB	lab(95.31, -20.07, 55.40)
CIE-LCH	lch(95.31, 58.92, 109.92°)
OKLab	oklab(95.26% -0.0572 0.1318)
OKLCH	oklch(95.26% 0.144 113.5)
XYZ	xyz(73.8801, 88.3618, 34.6319)
Luminance	0.8836 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA83 #8E83FA

analogous

#FAC983 #EFFA83 #B4FA83

triadic

#EFFA83 #83EFFA #FA83EF

tetradic

#EFFA83 #83FAC9 #8E83FA #FA83B4

square

#EFFA83 #83FAC9 #8E83FA #FA83B4

split-complementary

#EFFA83 #83B4FA #C983FA

monochromatic

#E0F50D #E7F848 #EFFA83 #F7FCBE #FBFEE2

Accessibility & contrast

On white

1.12

#EFFA83 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.67

#EFFA83 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA83

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA83	#FFFFFF	#000000	##000000
##EFFA83	1.00	1.12	18.67	18.67
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.67	21.00	1.00	1.00
##000000	18.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF078

Deuteranopia (green-blind)

#FFF389

Tritanopia (blue-blind)

#FCEEDE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effa83;
/* rgb */ color: rgb(239, 250, 131);
/* oklch */ color: oklch(95.3% 0.144 113.5);

Tailwind

colors: {
  custom: {
    50: '#f6fba9',
    500: '#effa83',
    950: '#000000',
  },
}

SCSS

$custom: #effa83;
$custom-light: #f6fba9;
$custom-dark: #000000;

JSON

{
  "hex": "#effa83",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 131
  },
  "hsl": {
    "h": 65.546,
    "s": 92.248,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95261,
    "c": 0.14364,
    "h": 113.5
  },
  "luminance": 0.88361
}

Semantic roles & 50–950 ramp

primary

#EFFA83

secondary

#5649D8

accent

#00E615

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFA83

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

Preview Lab → · Contrast checker → · Palette generator →