#DEEF51#DEEF51

#DEEF51 is a very light, vivid yellow. Relative luminance 0.779; OKLCH L 91.1% C 0.177 H 115.3°. Best body text is #000000 at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#DEEF51
RGB	rgb(222, 239, 81)
HSL	hsl(66, 83%, 63%)
HSV	hsv(66, 66%, 94%)
CMYK	cmyk(7.1%, 0%, 66.1%, 6.3%)
CIE-LAB	lab(90.71, -25.24, 71.22)
CIE-LCH	lch(90.71, 75.56, 109.51°)
OKLab	oklab(91.13% -0.0757 0.1603)
OKLCH	oklch(91.13% 0.177 115.3)
XYZ	xyz(62.4774, 77.8577, 19.5198)
Luminance	0.7786 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEEF51 #6251EF

analogous

#EFB151 #DEEF51 #8FEF51

triadic

#DEEF51 #51DEEF #EF51DE

tetradic

#DEEF51 #51EFB1 #6251EF #EF518F

square

#DEEF51 #51EFB1 #6251EF #EF518F

split-complementary

#DEEF51 #518FEF #B151EF

monochromatic

#A3B511 #D3EA19 #DEEF51 #E9F489 #F3F9C1

Accessibility & contrast

On white

1.27

#DEEF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.57

#DEEF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEEF51

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEEF51	#FFFFFF	#000000	##000000
##DEEF51	1.00	1.27	16.57	16.57
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.57	21.00	1.00	1.00
##000000	16.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE33A

Deuteranopia (green-blind)

#FEE65C

Tritanopia (blue-blind)

#ECE2CF

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #deef51;
/* rgb */ color: rgb(222, 239, 81);
/* oklch */ color: oklch(91.1% 0.177 115.3);

Tailwind

colors: {
  custom: {
    50: '#ecf48a',
    500: '#deef51',
    950: '#000000',
  },
}

SCSS

$custom: #deef51;
$custom-light: #ecf48a;
$custom-dark: #000000;

JSON

{
  "hex": "#deef51",
  "rgb": {
    "r": 222,
    "g": 239,
    "b": 81
  },
  "hsl": {
    "h": 66.456,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.91128,
    "c": 0.17724,
    "h": 115.3
  },
  "luminance": 0.77857
}

Semantic roles & 50–950 ramp

primary

#DEEF51

secondary

#3E30B5

accent

#06E01D

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #DEEF51

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

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