#90451F#90451F
#90451F is a mid, moderate orange. Relative luminance 0.103; OKLCH L 47.9% C 0.113 H 45.1°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).
Color values
| HEX | #90451F |
|---|---|
| RGB | rgb(144, 69, 31) |
| HSL | hsl(20, 65%, 34%) |
| HSV | hsv(20, 78%, 56%) |
| CMYK | cmyk(0%, 52.1%, 78.5%, 43.5%) |
| CIE-LAB | lab(38.35, 29.02, 36.48) |
| CIE-LCH | lch(38.35, 46.62, 51.50°) |
| OKLab | oklab(47.94% 0.08 0.0804) |
| OKLCH | oklch(47.94% 0.113 45.1) |
| XYZ | xyz(13.8784, 10.2862, 2.5507) |
| Luminance | 0.1028 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Saddlebrown
#8B4513
ΔE00 3.40
Burnt Umber
#A0450E
ΔE00 4.31
Sienna
#A0522D
ΔE00 4.90
Russet
#A13905
ΔE00 5.02
Rust Brown
#8B3103
ΔE00 5.27
Auburn
#9A3001
ΔE00 5.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#90451F #1F6A90
analogous
#901F32 #90451F #907E1F
triadic
#90451F #1F9045 #451F90
tetradic
#90451F #32901F #1F6A90 #7E1F90
square
#90451F #32901F #1F6A90 #7E1F90
split-complementary
#90451F #1F907E #1F3290
monochromatic
#2B1509 #5E2D14 #90451F #C25D2A #D97E50
Accessibility & contrast
On white
6.87
#90451F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.06
#90451F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #90451F
6.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##90451F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##90451F | 1.00 | 6.87 | 3.06 | 6.87 |
| #FFFFFF | 6.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A501A
Deuteranopia (green-blind)
#6C611D
Tritanopia (blue-blind)
#9E353D
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #90451f; /* rgb */ color: rgb(144, 69, 31); /* oklch */ color: oklch(47.9% 0.113 45.1);
Tailwind
colors: {
custom: {
50: '#b77a5d',
500: '#90451f',
950: '#000000',
},
}SCSS
$custom: #90451f; $custom-light: #b77a5d; $custom-dark: #000000;
JSON
{
"hex": "#90451f",
"rgb": {
"r": 144,
"g": 69,
"b": 31
},
"hsl": {
"h": 20.177,
"s": 64.571,
"l": 34.314
},
"oklch": {
"l": 0.4794,
"c": 0.11342,
"h": 45.1
},
"luminance": 0.10284
}Semantic roles & 50–950 ramp
primary
#90451F
secondary
#4E97BC
accent
#AFE840
background
#FCF7F5
surface
#F8EEE9
border
#D1C9C5
text
#120904
muted
#817B79