#FFE23B#FFE23B

#FFE23B is a very light, vivid yellow. Relative luminance 0.760; OKLCH L 91.0% C 0.174 H 98.8°. Best body text is #000000 at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#FFE23B
RGB	rgb(255, 226, 59)
HSL	hsl(51, 100%, 62%)
HSV	hsv(51, 77%, 100%)
CMYK	cmyk(0%, 11.4%, 76.9%, 0%)
CIE-LAB	lab(89.85, -6.36, 78.85)
CIE-LCH	lch(89.85, 79.10, 94.61°)
OKLab	oklab(91.03% -0.0264 0.1716)
OKLCH	oklch(91.03% 0.174 98.8)
XYZ	xyz(69.2293, 75.9720, 15.1544)
Luminance	0.7597 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFE23B #3B58FF

analogous

#FF803B #FFE23B #BAFF3B

triadic

#FFE23B #3BFFE2 #E23BFF

tetradic

#FFE23B #3BFF80 #3B58FF #FF3BBA

square

#FFE23B #3BFF80 #3B58FF #FF3BBA

split-complementary

#FFE23B #3BBAFF #803BFF

monochromatic

#C0A300 #FDD700 #FFE23B #FFEB78 #FFF4B5

Accessibility & contrast

On white

1.30

#FFE23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.19

#FFE23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFE23B

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFE23B	#FFFFFF	#000000	##000000
##FFE23B	1.00	1.30	16.19	16.19
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.19	21.00	1.00	1.00
##000000	16.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DC11

Deuteranopia (green-blind)

#FFE647

Tritanopia (blue-blind)

#FFD1C3

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #ffe23b;
/* rgb */ color: rgb(255, 226, 59);
/* oklch */ color: oklch(91.0% 0.174 98.8);

Tailwind

colors: {
  custom: {
    50: '#ffea7e',
    500: '#ffe23b',
    950: '#000000',
  },
}

SCSS

$custom: #ffe23b;
$custom-light: #ffea7e;
$custom-dark: #000000;

JSON

{
  "hex": "#ffe23b",
  "rgb": {
    "r": 255,
    "g": 226,
    "b": 59
  },
  "hsl": {
    "h": 51.122,
    "s": 100,
    "l": 61.569
  },
  "oklch": {
    "l": 0.91034,
    "c": 0.17359,
    "h": 98.8
  },
  "luminance": 0.75968
}

Semantic roles & 50–950 ramp

primary

#FFE23B

secondary

#2138BD

accent

#22E600

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#19160B

muted

#87847E

Preview Lab

Preview with #FFE23B

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

Preview Lab → · Contrast checker → · Palette generator →