#EFFA5C#EFFA5C

#EFFA5C is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 94.9% C 0.177 H 113.1°. Best body text is #000000 at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA5C
RGB	rgb(239, 250, 92)
HSL	hsl(64, 94%, 67%)
HSV	hsv(64, 63%, 98%)
CMYK	cmyk(4.4%, 0%, 63.2%, 2%)
CIE-LAB	lab(94.95, -23.03, 71.78)
CIE-LCH	lch(94.95, 75.38, 107.79°)
OKLab	oklab(94.85% -0.0694 0.1626)
OKLCH	oklch(94.85% 0.177 113.1)
XYZ	xyz(71.7159, 87.4961, 23.2337)
Luminance	0.8750 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA5C #675CFA

analogous

#FAB65C #EFFA5C #A0FA5C

triadic

#EFFA5C #5CEFFA #FA5CEF

tetradic

#EFFA5C #5CFAB6 #675CFA #FA5CA0

square

#EFFA5C #5CFAB6 #675CFA #FA5CA0

split-complementary

#EFFA5C #5CA0FA #B65CFA

monochromatic

#C7D507 #E9F821 #EFFA5C #F5FC97 #FBFED3

Accessibility & contrast

On white

1.14

#EFFA5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.50

#EFFA5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA5C

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA5C	#FFFFFF	#000000	##000000
##EFFA5C	1.00	1.14	18.50	18.50
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.50	21.00	1.00	1.00
##000000	18.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF47

Deuteranopia (green-blind)

#FFF267

Tritanopia (blue-blind)

#FEECDA

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #effa5c;
/* rgb */ color: rgb(239, 250, 92);
/* oklch */ color: oklch(94.9% 0.177 113.1);

Tailwind

colors: {
  custom: {
    50: '#f7fb91',
    500: '#effa5c',
    950: '#000000',
  },
}

SCSS

$custom: #effa5c;
$custom-light: #f7fb91;
$custom-dark: #000000;

JSON

{
  "hex": "#effa5c",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 92
  },
  "hsl": {
    "h": 64.177,
    "s": 94.048,
    "l": 67.059
  },
  "oklch": {
    "l": 0.94852,
    "c": 0.17682,
    "h": 113.1
  },
  "luminance": 0.87495
}

Semantic roles & 50–950 ramp

primary

#EFFA5C

secondary

#362BCF

accent

#00E610

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFFA5C

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

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