#EFFCA1#EFFCA1

#EFFCA1 is a very light, moderate yellow. Relative luminance 0.905; OKLCH L 96.1% C 0.115 H 115.2°. Best body text is #000000 at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCA1
RGB	rgb(239, 252, 161)
HSL	hsl(69, 94%, 81%)
HSV	hsv(69, 36%, 99%)
CMYK	cmyk(5.2%, 0%, 36.1%, 1.2%)
CIE-LAB	lab(96.22, -17.93, 42.19)
CIE-LCH	lch(96.22, 45.84, 113.03°)
OKLab	oklab(96.11% -0.0489 0.1037)
OKLCH	oklch(96.11% 0.115 115.2)
XYZ	xyz(76.8403, 90.5455, 47.1404)
Luminance	0.9054 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCA1 #AEA1FC

analogous

#FCDBA1 #EFFCA1 #C1FCA1

triadic

#EFFCA1 #A1EFFC #FCA1EF

tetradic

#EFFCA1 #A1FCDB #AEA1FC #FCA1C1

square

#EFFCA1 #A1FCDB #AEA1FC #FCA1C1

split-complementary

#EFFCA1 #A1C1FC #DBA1FC

monochromatic

#DBF82A #E5FA66 #EFFCA1 #F9FEDC #FAFEE1

Accessibility & contrast

On white

1.10

#EFFCA1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.11

#EFFCA1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCA1

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCA1	#FFFFFF	#000000	##000000
##EFFCA1	1.00	1.10	19.11	19.11
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.11	21.00	1.00	1.00
##000000	19.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF39A

Deuteranopia (green-blind)

#FFF5A5

Tritanopia (blue-blind)

#F9F2E5

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effca1;
/* rgb */ color: rgb(239, 252, 161);
/* oklch */ color: oklch(96.1% 0.115 115.2);

Tailwind

colors: {
  custom: {
    50: '#f5fdbe',
    500: '#effca1',
    950: '#000000',
  },
}

SCSS

$custom: #effca1;
$custom-light: #f5fdbe;
$custom-dark: #000000;

JSON

{
  "hex": "#effca1",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 161
  },
  "hsl": {
    "h": 68.571,
    "s": 93.814,
    "l": 80.98
  },
  "oklch": {
    "l": 0.96113,
    "c": 0.11466,
    "h": 115.2
  },
  "luminance": 0.90545
}

Semantic roles & 50–950 ramp

primary

#EFFCA1

secondary

#7463DF

accent

#00E621

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171712

muted

#858582

Preview Lab

Preview with #EFFCA1

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

Preview Lab → · Contrast checker → · Palette generator →