#FFBB51#FFBB51

#FFBB51 is a very light, vivid orange. Relative luminance 0.574; OKLCH L 83.6% C 0.143 H 75.4°. Best body text is #000000 at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#FFBB51
RGB	rgb(255, 187, 81)
HSL	hsl(37, 100%, 66%)
HSV	hsv(37, 68%, 100%)
CMYK	cmyk(0%, 26.7%, 68.2%, 0%)
CIE-LAB	lab(80.40, 14.57, 61.39)
CIE-LCH	lch(80.40, 63.10, 76.65°)
OKLab	oklab(83.64% 0.0362 0.1385)
OKLCH	oklch(83.64% 0.143 75.4)
XYZ	xyz(60.4995, 57.3994, 15.6758)
Luminance	0.5739 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFBB51 #5195FF

analogous

#FF6451 #FFBB51 #ECFF51

triadic

#FFBB51 #51FFBB #BB51FF

tetradic

#FFBB51 #51FF64 #5195FF #FF51EC

square

#FFBB51 #51FF64 #5195FF #FF51EC

split-complementary

#FFBB51 #51ECFF #6451FF

monochromatic

#D68200 #FFA314 #FFBB51 #FFD38E #FFEBCB

Accessibility & contrast

On white

1.68

#FFBB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.48

#FFBB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFBB51

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFBB51	#FFFFFF	#000000	##000000
##FFBB51	1.00	1.68	12.48	12.48
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.48	21.00	1.00	1.00
##000000	12.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BE45

Deuteranopia (green-blind)

#E4CE54

Tritanopia (blue-blind)

#FFA9A4

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #ffbb51;
/* rgb */ color: rgb(255, 187, 81);
/* oklch */ color: oklch(83.6% 0.143 75.4);

Tailwind

colors: {
  custom: {
    50: '#ffcf87',
    500: '#ffbb51',
    950: '#000000',
  },
}

SCSS

$custom: #ffbb51;
$custom-light: #ffcf87;
$custom-dark: #000000;

JSON

{
  "hex": "#ffbb51",
  "rgb": {
    "r": 255,
    "g": 187,
    "b": 81
  },
  "hsl": {
    "h": 36.552,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.83643,
    "c": 0.14314,
    "h": 75.4
  },
  "luminance": 0.57395
}

Semantic roles & 50–950 ramp

primary

#FFBB51

secondary

#2567D0

accent

#5AE600

background

#FFFEFC

surface

#FFFBF3

border

#D7D4CD

text

#19130B

muted

#87837E

Preview Lab

Preview with #FFBB51

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

Preview Lab → · Contrast checker → · Palette generator →