#EFF87B#EFF87B

#EFF87B is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 94.7% C 0.149 H 112.6°. Best body text is #000000 at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#EFF87B
RGB	rgb(239, 248, 123)
HSL	hsl(64, 90%, 73%)
HSV	hsv(64, 50%, 97%)
CMYK	cmyk(3.6%, 0%, 50.4%, 2.7%)
CIE-LAB	lab(94.70, -19.82, 58.34)
CIE-LCH	lch(94.70, 61.61, 108.76°)
OKLab	oklab(94.75% -0.0572 0.1375)
OKLCH	oklch(94.75% 0.149 112.6)
XYZ	xyz(72.7405, 86.9169, 31.6798)
Luminance	0.8692 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF87B #847BF8

analogous

#F8C27B #EFF87B #B0F87B

triadic

#EFF87B #7BEFF8 #F87BEF

tetradic

#EFF87B #7BF8C2 #847BF8 #F87BB0

square

#EFF87B #7BF8C2 #847BF8 #F87BB0

split-complementary

#EFF87B #7BB0F8 #C27BF8

monochromatic

#DCEC0D #E8F541 #EFF87B #F6FBB5 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF87B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.38

#EFF87B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF87B

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF87B	#FFFFFF	#000000	##000000
##EFF87B	1.00	1.14	18.38	18.38
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.38	21.00	1.00	1.00
##000000	18.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE6F

Deuteranopia (green-blind)

#FFF182

Tritanopia (blue-blind)

#FCECDC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff87b;
/* rgb */ color: rgb(239, 248, 123);
/* oklch */ color: oklch(94.7% 0.149 112.6);

Tailwind

colors: {
  custom: {
    50: '#f6faa4',
    500: '#eff87b',
    950: '#000000',
  },
}

SCSS

$custom: #eff87b;
$custom-light: #f6faa4;
$custom-dark: #000000;

JSON

{
  "hex": "#eff87b",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 123
  },
  "hsl": {
    "h": 64.32,
    "s": 89.928,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94745,
    "c": 0.14895,
    "h": 112.6
  },
  "luminance": 0.86916
}

Semantic roles & 50–950 ramp

primary

#EFF87B

secondary

#4D43D4

accent

#00E611

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF87B

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

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