#BB5D04
Closest named color: Copper (#B66325). oklch(58.1% 0.146 53.1), rgb(187, 93, 4).
Aa
Black text reads best on this color (4.68:1).
About this color
#BB5D04 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.146 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.017 away. Black text reads best on it, at 4.68:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #BB5D04 |
| RGB | rgb(187, 93, 4) |
| HSL | hsl(29, 96%, 37%) |
| OKLCH | oklch(58.1% 0.146 53.1) |
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 #BB5D04 | 4.48:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #BB5D04 | 4.68:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #BB5D04 text on white | 4.48:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #BB5D04 text on black | 4.68:1 | AA | Lc -31.1 | 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 600.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DE
oklch(93.7% 0.02 55.1)
-
Step 200
200
#EDD3C3
oklch(88.4% 0.036 53.7)
-
Step 300
300
#E3B699
oklch(80.9% 0.066 54.4)
-
Step 400
400
#D48E60
oklch(70.7% 0.105 53.5)
-
Step 500
500
#C76F30
oklch(63% 0.134 52.8)
-
Step 600
600 (this color)
#BB5D04
oklch(58.1% 0.146 53.1)
-
Step 700
700
#954800
oklch(49% 0.124 53)
-
Step 800
800
#7B3A00
oklch(42.6% 0.109 52.7)
-
Step 900
900
#65320A
oklch(37.8% 0.088 52.9)
-
Step 950
950
#3B1E09
oklch(27% 0.055 53.6)
#BB5D04 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) | #796A00 | 0.121 |
| Deuteranopia (no green cones) | #8F7F00 | 0.111 |
| Tritanopia (no blue cones) | #CE474F | 0.091 |
| Achromatopsia (no color) | #777777 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5D04
#BB5D04
oklch(58.1% 0.146 53.1)
- #0085B6
#0085B6
oklch(58.1% 0.121 233.4)
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 #BB5D04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.017
- Orange Brown #BE6400 ΔE 0.018
- Orangey Brown #B16002 ΔE 0.019
- Umber #B26400 ΔE 0.022
- Rust Orange #C45508 ΔE 0.023
- Burnt Siena #B75203 ΔE 0.027
- Brown Orange #B96902 ΔE 0.028
- Burnt Orange #C04E01 ΔE 0.032
Use #BB5D04 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.