#EFE583#EFE583

#EFE583 is a very light, vivid yellow. Relative luminance 0.760; OKLCH L 90.9% C 0.120 H 103.4°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFE583
RGB	rgb(239, 229, 131)
HSL	hsl(54, 77%, 73%)
HSV	hsv(54, 45%, 94%)
CMYK	cmyk(0%, 4.2%, 45.2%, 6.3%)
CIE-LAB	lab(89.87, -9.79, 48.77)
CIE-LCH	lch(89.87, 49.75, 101.35°)
OKLab	oklab(90.93% -0.0278 0.1171)
OKLCH	oklch(90.93% 0.12 103.4)
XYZ	xyz(67.7142, 76.0300, 32.5766)
Luminance	0.7603 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE583 #838DEF

analogous

#EFAF83 #EFE583 #C3EF83

triadic

#EFE583 #83EFE5 #E583EF

tetradic

#EFE583 #83EFAF #838DEF #EF83C3

square

#EFE583 #83EFAF #838DEF #EF83C3

split-complementary

#EFE583 #83C3EF #AF83EF

monochromatic

#DBCA1C #E8DA4D #EFE583 #F6F0B9 #FCF9E4

Accessibility & contrast

On white

1.30

#EFE583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.21

#EFE583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE583

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE583	#FFFFFF	#000000	##000000
##EFE583	1.00	1.30	16.21	16.21
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.21	21.00	1.00	1.00
##000000	16.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DF7B

Deuteranopia (green-blind)

#F8E487

Tritanopia (blue-blind)

#FDD9CE

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe583;
/* rgb */ color: rgb(239, 229, 131);
/* oklch */ color: oklch(90.9% 0.120 103.4);

Tailwind

colors: {
  custom: {
    50: '#f6eda9',
    500: '#efe583',
    950: '#000000',
  },
}

SCSS

$custom: #efe583;
$custom-light: #f6eda9;
$custom-dark: #000000;

JSON

{
  "hex": "#efe583",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 131
  },
  "hsl": {
    "h": 54.444,
    "s": 77.143,
    "l": 72.549
  },
  "oklch": {
    "l": 0.9093,
    "c": 0.12036,
    "h": 103.4
  },
  "luminance": 0.76028
}

Semantic roles & 50–950 ramp

primary

#EFE583

secondary

#4D58CA

accent

#1FD90C

background

#FFFEFD

surface

#FFFDF7

border

#D7D5D0

text

#171610

muted

#858481

Preview Lab

Preview with #EFE583

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

Preview Lab → · Contrast checker → · Palette generator →