#997B66
Closest named color: Reddish Grey (#997570). oklch(60.6% 0.048 56.6), rgb(153, 123, 102).
Aa
Black text reads best on this color (5.37:1).
About this color
#997B66 is a medium-dark, muted brown. In OKLCH its lightness is 61%, its chroma 0.048 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.026 away. Black text reads best on it, at 5.37:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #997B66 |
| RGB | rgb(153, 123, 102) |
| HSL | hsl(25, 20%, 50%) |
| OKLCH | oklch(60.6% 0.048 56.6) |
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 #997B66 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #997B66 | 5.37:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #997B66 text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #997B66 text on black | 5.37:1 | AA | Lc -35.2 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE9E5
oklch(93.7% 0.008 61.4)
-
Step 200
200
#E0D7D1
oklch(88.5% 0.013 56.2)
-
Step 300
300
#CDBDB2
oklch(80.9% 0.024 56.9)
-
Step 400
400
#B49B8A
oklch(70.7% 0.038 56.2)
-
Step 500
500 (this color)
#997B66
oklch(60.6% 0.048 56.6)
-
Step 600
600
#8C6C55
oklch(55.7% 0.053 57.1)
-
Step 700
700
#765A45
oklch(49.1% 0.049 58.2)
-
Step 800
800
#604939
oklch(42.5% 0.04 56.2)
-
Step 900
900
#4F3D31
oklch(37.6% 0.032 55.2)
-
Step 950
950
#2E241D
oklch(27% 0.02 56.7)
#997B66 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) | #847D65 | 0.034 |
| Deuteranopia (no green cones) | #8B8366 | 0.030 |
| Tritanopia (no blue cones) | #A27575 | 0.035 |
| Achromatopsia (no color) | #818181 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #997B66
#997B66
oklch(60.6% 0.048 56.6)
- #66879C
#66879C
oklch(60.6% 0.049 236.6)
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 #997B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.026
- Mocha #9D7651 ΔE 0.026
- Brown Grey #8D8468 ΔE 0.029
- Puce #A57E52 ΔE 0.035
- Pinkish Brown #B17261 ΔE 0.044
- Tan Brown #AB7E4C ΔE 0.046
- Coffee #A6814C ΔE 0.046
- Warm Grey #978A84 ΔE 0.048
Use #997B66 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.