#EFE57B#EFE57B

#EFE57B is a very light, vivid yellow. Relative luminance 0.758; OKLCH L 90.8% C 0.128 H 103.8°. Best body text is #000000 at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#EFE57B
RGB	rgb(239, 229, 123)
HSL	hsl(55, 78%, 71%)
HSV	hsv(55, 49%, 94%)
CMYK	cmyk(0%, 4.2%, 48.5%, 6.3%)
CIE-LAB	lab(89.78, -10.52, 52.48)
CIE-LCH	lch(89.78, 53.52, 101.33°)
OKLab	oklab(90.82% -0.0307 0.1247)
OKLCH	oklch(90.82% 0.128 103.8)
XYZ	xyz(67.1928, 75.8215, 29.8306)
Luminance	0.7582 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE57B #7B85EF

analogous

#EFAB7B #EFE57B #BFEF7B

triadic

#EFE57B #7BEFE5 #E57BEF

tetradic

#EFE57B #7BEFAB #7B85EF #EF7BBF

square

#EFE57B #7BEFAB #7B85EF #EF7BBF

split-complementary

#EFE57B #7BBFEF #AB7BEF

monochromatic

#D6C61A #E8DA44 #EFE57B #F6F0B2 #FCFAE4

Accessibility & contrast

On white

1.30

#EFE57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.16

#EFE57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE57B

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE57B	#FFFFFF	#000000	##000000
##EFE57B	1.00	1.30	16.16	16.16
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.16	21.00	1.00	1.00
##000000	16.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DF72

Deuteranopia (green-blind)

#F9E480

Tritanopia (blue-blind)

#FED9CC

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe57b;
/* rgb */ color: rgb(239, 229, 123);
/* oklch */ color: oklch(90.8% 0.128 103.8);

Tailwind

colors: {
  custom: {
    50: '#f6eda3',
    500: '#efe57b',
    950: '#000000',
  },
}

SCSS

$custom: #efe57b;
$custom-light: #f6eda3;
$custom-dark: #000000;

JSON

{
  "hex": "#efe57b",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 123
  },
  "hsl": {
    "h": 54.828,
    "s": 78.378,
    "l": 70.98
  },
  "oklch": {
    "l": 0.90822,
    "c": 0.12842,
    "h": 103.8
  },
  "luminance": 0.75819
}

Semantic roles & 50–950 ramp

primary

#EFE57B

secondary

#4551C9

accent

#1DDB0B

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE57B

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

Preview Lab → · Contrast checker → · Palette generator →