#B66E4E
Closest named color: Clay (#B66A50). oklch(61% 0.103 44.4), rgb(182, 110, 78).
Aa
Black text reads best on this color (5.32:1).
About this color
#B66E4E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.103 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.011 away. Black text reads best on it, at 5.32:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #B66E4E |
| RGB | rgb(182, 110, 78) |
| HSL | hsl(18, 42%, 51%) |
| OKLCH | oklch(61% 0.103 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 #B66E4E | 3.94:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #B66E4E | 5.32:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #B66E4E text on white | 3.94:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #B66E4E text on black | 5.32:1 | AA | Lc -35.1 | 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 500.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4CA
oklch(88.5% 0.028 46.1)
-
Step 300
300
#DEB7A7
oklch(81% 0.05 43.5)
-
Step 400
400
#CB9177
oklch(70.7% 0.08 45.1)
-
Step 500
500 (this color)
#B66E4E
oklch(61% 0.103 44.4)
-
Step 600
600
#A85C39
oklch(55.6% 0.111 44.5)
-
Step 700
700
#904B2B
oklch(49.1% 0.104 44.4)
-
Step 800
800
#753E25
oklch(42.7% 0.085 44.3)
-
Step 900
900
#5F3522
oklch(37.7% 0.068 44.6)
-
Step 950
950
#381F15
oklch(27% 0.043 42.4)
#B66E4E 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) | #81774B | 0.092 |
| Deuteranopia (no green cones) | #92864D | 0.084 |
| Tritanopia (no blue cones) | #C66166 | 0.058 |
| Achromatopsia (no color) | #808080 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66E4E
#B66E4E
oklch(61% 0.103 44.4)
- #2990B1
#2990B1
oklch(61.1% 0.103 224.3)
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 #B66E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.011
- Adobe #BD6C48 ΔE 0.013
- Pinkish Brown #B17261 ΔE 0.023
- Clay Brown #B2713D ΔE 0.024
- Terracotta #CA6641 ΔE 0.037
- Terracota #CB6843 ΔE 0.038
- Tiger's Eye #BC6C25 ΔE 0.038
- Terra Cotta #C9643B ΔE 0.038
Use #B66E4E 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.