#BB663F
Closest named color: Adobe (#BD6C48). oklch(60% 0.121 44.4), rgb(187, 102, 63).
Aa
Black text reads best on this color (5.08:1).
About this color
#BB663F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.121 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Adobe (#BD6C48), ΔE 0.016 away. Black text reads best on it, at 5.08:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Adobe (#BD6C48) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #BB663F |
| RGB | rgb(187, 102, 63) |
| HSL | hsl(19, 50%, 49%) |
| OKLCH | oklch(60% 0.121 44.4) |
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 #BB663F | 4.12:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #BB663F | 5.08:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #BB663F text on white | 4.12:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #BB663F text on black | 5.08:1 | AA | Lc -33.6 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E2B5A2
oklch(80.8% 0.059 44.1)
-
Step 400
400
#D38D6F
oklch(70.7% 0.096 44)
-
Step 500
500 (this color)
#BB663F
oklch(60% 0.121 44.4)
-
Step 600
600
#B15529
oklch(55.6% 0.133 44.1)
-
Step 700
700
#98451C
oklch(49.1% 0.123 44.1)
-
Step 800
800
#7B3919
oklch(42.6% 0.102 44.3)
-
Step 900
900
#63321B
oklch(37.6% 0.079 44.7)
-
Step 950
950
#3A1E11
oklch(27% 0.049 45)
#BB663F 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) | #7D713B | 0.110 |
| Deuteranopia (no green cones) | #92843E | 0.101 |
| Tritanopia (no blue cones) | #CC565D | 0.066 |
| Achromatopsia (no color) | #7D7D7D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB663F
#BB663F
oklch(60% 0.121 44.4)
- #008EB2
#008EB2
oklch(60.1% 0.113 223.9)
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 #BB663F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Adobe #BD6C48 ΔE 0.016
- Clay #B66A50 ΔE 0.019
- Terra Cotta #C9643B ΔE 0.025
- Copper #B66325 ΔE 0.025
- Terracotta #CA6641 ΔE 0.028
- Terracota #CB6843 ΔE 0.031
- Clay Brown #B2713D ΔE 0.031
- Tiger's Eye #BC6C25 ΔE 0.031
Use #BB663F 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.