#BC660B
Closest named color: Orange Brown (#BE6400). oklch(59.8% 0.141 57.6), rgb(188, 102, 11).
Aa
Black text reads best on this color (5.04:1).
About this color
#BC660B is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.141 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Brown (#BE6400), ΔE 0.005 away. Black text reads best on it, at 5.04:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Orange Brown (#BE6400) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #BC660B |
| RGB | rgb(188, 102, 11) |
| HSL | hsl(31, 89%, 39%) |
| OKLCH | oklch(59.8% 0.141 57.6) |
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 #BC660B | 4.16:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #BC660B | 5.04:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #BC660B text on white | 4.16:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #BC660B text on black | 5.04:1 | AA | Lc -33.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F5E7DD
oklch(93.6% 0.02 58.1)
-
Step 200
200
#EDD3C1
oklch(88.4% 0.038 56.9)
-
Step 300
300
#E3B695
oklch(80.8% 0.069 57.8)
-
Step 400
400
#D48E58
oklch(70.6% 0.11 57.4)
-
Step 500
500 (this color)
#BC660B
oklch(59.8% 0.141 57.6)
-
Step 600
600
#AC5B00
oklch(55.6% 0.134 57.3)
-
Step 700
700
#914C00
oklch(49.1% 0.118 57.5)
-
Step 800
800
#773E00
oklch(42.7% 0.102 58.2)
-
Step 900
900
#643300
oklch(37.7% 0.09 58)
-
Step 950
950
#3B1E05
oklch(27% 0.058 57.5)
#BC660B 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) | #807000 | 0.109 |
| Deuteranopia (no green cones) | #94840A | 0.099 |
| Tritanopia (no blue cones) | #CF5257 | 0.096 |
| Achromatopsia (no color) | #7C7C7C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC660B
#BC660B
oklch(59.8% 0.141 57.6)
- #0089C4
#0089C4
oklch(59.8% 0.132 237.6)
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 #BC660B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Brown #BE6400 ΔE 0.005
- Brown Orange #B96902 ΔE 0.010
- Tiger's Eye #BC6C25 ΔE 0.016
- Copper #B66325 ΔE 0.019
- Umber #B26400 ΔE 0.020
- Rust #CA6702 ΔE 0.026
- Orangey Brown #B16002 ΔE 0.026
- Browny Orange #CA6B02 ΔE 0.030
Use #BC660B 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.