#F3EF6B#F3EF6B

#F3EF6B is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 93.0% C 0.153 H 107.4°. Best body text is #000000 at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#F3EF6B
RGB	rgb(243, 239, 107)
HSL	hsl(58, 85%, 69%)
HSV	hsv(58, 56%, 95%)
CMYK	cmyk(0%, 1.6%, 56%, 4.7%)
CIE-LAB	lab(92.51, -15.14, 63.02)
CIE-LCH	lch(92.51, 64.81, 103.51°)
OKLab	oklab(93.02% -0.0458 0.1459)
OKLCH	oklch(93.02% 0.153 107.4)
XYZ	xyz(70.4846, 81.8513, 25.9930)
Luminance	0.8185 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EF6B #6B6FF3

analogous

#F3AB6B #F3EF6B #B3F36B

triadic

#F3EF6B #6BF3EF #EF6BF3

tetradic

#F3EF6B #6BF3AB #6B6FF3 #F36BB3

square

#F3EF6B #6BF3AB #6B6FF3 #F36BB3

split-complementary

#F3EF6B #6BB3F3 #AB6BF3

monochromatic

#D3CD11 #EEE932 #F3EF6B #F8F5A4 #FCFBDC

Accessibility & contrast

On white

1.21

#F3EF6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.37

#F3EF6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EF6B

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EF6B	#FFFFFF	#000000	##000000
##F3EF6B	1.00	1.21	17.37	17.37
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.37	21.00	1.00	1.00
##000000	17.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE75D

Deuteranopia (green-blind)

#FFEC72

Tritanopia (blue-blind)

#FFE1D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f3ef6b;
/* rgb */ color: rgb(243, 239, 107);
/* oklch */ color: oklch(93.0% 0.153 107.4);

Tailwind

colors: {
  custom: {
    50: '#faf49a',
    500: '#f3ef6b',
    950: '#000000',
  },
}

SCSS

$custom: #f3ef6b;
$custom-light: #faf49a;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ef6b",
  "rgb": {
    "r": 243,
    "g": 239,
    "b": 107
  },
  "hsl": {
    "h": 58.235,
    "s": 85,
    "l": 68.627
  },
  "oklch": {
    "l": 0.93019,
    "c": 0.15291,
    "h": 107.4
  },
  "luminance": 0.81849
}

Semantic roles & 50–950 ramp

primary

#F3EF6B

secondary

#363BCC

accent

#0BE104

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3EF6B

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

Preview Lab → · Contrast checker → · Palette generator →