#FFB551#FFB551

#FFB551 is a very light, vivid orange. Relative luminance 0.549; OKLCH L 82.5% C 0.143 H 71.5°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#FFB551
RGB	rgb(255, 181, 81)
HSL	hsl(34, 100%, 66%)
HSV	hsv(34, 68%, 100%)
CMYK	cmyk(0%, 29%, 68.2%, 0%)
CIE-LAB	lab(78.99, 17.70, 59.88)
CIE-LCH	lch(78.99, 62.45, 73.53°)
OKLab	oklab(82.54% 0.0453 0.1353)
OKLCH	oklch(82.54% 0.143 71.5)
XYZ	xyz(59.2531, 54.9067, 15.2603)
Luminance	0.5490 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFB551 #519BFF

analogous

#FF5E51 #FFB551 #F2FF51

triadic

#FFB551 #51FFB5 #B551FF

tetradic

#FFB551 #51FF5E #519BFF #FF51F2

square

#FFB551 #51FF5E #519BFF #FF51F2

split-complementary

#FFB551 #51F2FF #5E51FF

monochromatic

#D67B00 #FF9B14 #FFB551 #FFCF8E #FFE9CB

Accessibility & contrast

On white

1.75

#FFB551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#FFB551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFB551

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFB551	#FFFFFF	#000000	##000000
##FFB551	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB946

Deuteranopia (green-blind)

#E0CB54

Tritanopia (blue-blind)

#FFA3A0

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #ffb551;
/* rgb */ color: rgb(255, 181, 81);
/* oklch */ color: oklch(82.5% 0.143 71.5);

Tailwind

colors: {
  custom: {
    50: '#ffcb86',
    500: '#ffb551',
    950: '#000000',
  },
}

SCSS

$custom: #ffb551;
$custom-light: #ffcb86;
$custom-dark: #000000;

JSON

{
  "hex": "#ffb551",
  "rgb": {
    "r": 255,
    "g": 181,
    "b": 81
  },
  "hsl": {
    "h": 34.483,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.82537,
    "c": 0.14269,
    "h": 71.5
  },
  "luminance": 0.54902
}

Semantic roles & 50–950 ramp

primary

#FFB551

secondary

#256DD0

accent

#62E600

background

#FFFDFB

surface

#FFF9F2

border

#D7D2CC

text

#19130B

muted

#87827E

Preview Lab

Preview with #FFB551

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

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