#EFFA61#EFFA61

#EFFA61 is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 94.9% C 0.173 H 113.1°. Best body text is #000000 at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA61
RGB	rgb(239, 250, 97)
HSL	hsl(64, 94%, 68%)
HSV	hsv(64, 61%, 98%)
CMYK	cmyk(4.4%, 0%, 61.2%, 2%)
CIE-LAB	lab(94.99, -22.72, 69.84)
CIE-LCH	lch(94.99, 73.44, 108.02°)
OKLab	oklab(94.89% -0.068 0.1592)
OKLCH	oklch(94.89% 0.173 113.1)
XYZ	xyz(71.9417, 87.5864, 24.4230)
Luminance	0.8759 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA61 #6C61FA

analogous

#FAB961 #EFFA61 #A2FA61

triadic

#EFFA61 #61EFFA #FA61EF

tetradic

#EFFA61 #61FAB9 #6C61FA #FA61A2

square

#EFFA61 #61FAB9 #6C61FA #FA61A2

split-complementary

#EFFA61 #61A2FA #B961FA

monochromatic

#CBDA07 #E9F826 #EFFA61 #F5FC9C #FBFED8

Accessibility & contrast

On white

1.13

#EFFA61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.52

#EFFA61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA61

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA61	#FFFFFF	#000000	##000000
##EFFA61	1.00	1.13	18.52	18.52
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.52	21.00	1.00	1.00
##000000	18.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF4E

Deuteranopia (green-blind)

#FFF26B

Tritanopia (blue-blind)

#FEECDA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effa61;
/* rgb */ color: rgb(239, 250, 97);
/* oklch */ color: oklch(94.9% 0.173 113.1);

Tailwind

colors: {
  custom: {
    50: '#f7fb94',
    500: '#effa61',
    950: '#000000',
  },
}

SCSS

$custom: #effa61;
$custom-light: #f7fb94;
$custom-dark: #000000;

JSON

{
  "hex": "#effa61",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 97
  },
  "hsl": {
    "h": 64.314,
    "s": 93.865,
    "l": 68.039
  },
  "oklch": {
    "l": 0.94894,
    "c": 0.17315,
    "h": 113.1
  },
  "luminance": 0.87585
}

Semantic roles & 50–950 ramp

primary

#EFFA61

secondary

#382CD3

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFA61

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

Preview Lab → · Contrast checker → · Palette generator →