#99451F
Closest named color: Burnt Umber (#A0450E). oklch(49.3% 0.123 42.8), rgb(153, 69, 31).
Aa
White text reads best on this color (6.51:1).
About this color
#99451F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.123 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.017 away. White text reads best on it, at 6.51:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #99451F |
| RGB | rgb(153, 69, 31) |
| HSL | hsl(19, 66%, 36%) |
| OKLCH | oklch(49.3% 0.123 42.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99451F | 6.51:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #99451F | 3.22:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #99451F text on white | 6.51:1 | AA | Lc 81.7 | Fine for body text |
| #99451F text on black | 3.22:1 | AA large text | Lc -20.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A2
oklch(80.9% 0.06 43.6)
-
Step 400
400
#D38D70
oklch(70.7% 0.095 43.3)
-
Step 500
500
#C66E4A
oklch(63% 0.122 42.5)
-
Step 600
600
#B1552C
oklch(55.6% 0.132 43)
-
Step 700
700 (this color)
#99451F
oklch(49.3% 0.123 42.8)
-
Step 800
800
#7C391B
oklch(42.8% 0.102 43)
-
Step 900
900
#64321C
oklch(37.8% 0.08 43.5)
-
Step 950
950
#3B1D11
oklch(26.9% 0.052 42.1)
#99451F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5D521A | 0.116 |
| Deuteranopia (no green cones) | #71651D | 0.106 |
| Tritanopia (no blue cones) | #A8323D | 0.063 |
| Achromatopsia (no color) | #5E5E5E | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99451F
#99451F
oklch(49.3% 0.123 42.8)
- #006C87
#006C87
oklch(49.3% 0.092 222.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99451F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.017
- Russet #A13905 ΔE 0.026
- Saddle Brown #8B4513 ΔE 0.030
- Warm Brown #964E02 ΔE 0.031
- Brick #A03623 ΔE 0.033
- Sienna #A0522D ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.049
- Rusty Red #AF2F0D ΔE 0.051
Use #99451F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.