#C66E4E
Closest named color: Terracota (#CB6843). oklch(63.1% 0.121 40.5), rgb(198, 110, 78).
Aa
Black text reads best on this color (5.74:1).
About this color
#C66E4E is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.121 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.016 away. Black text reads best on it, at 5.74:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #C66E4E |
| RGB | rgb(198, 110, 78) |
| HSL | hsl(16, 51%, 54%) |
| OKLCH | oklch(63.1% 0.121 40.5) |
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 #C66E4E | 3.65:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #C66E4E | 5.74:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #C66E4E text on white | 3.65:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #C66E4E text on black | 5.74:1 | AA | Lc -37.9 | 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
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E3B5A4
oklch(81% 0.059 41.3)
-
Step 400
400
#D38C73
oklch(70.6% 0.094 40.2)
-
Step 500
500 (this color)
#C66E4E
oklch(63.1% 0.121 40.5)
-
Step 600
600
#B15431
oklch(55.5% 0.131 40.5)
-
Step 700
700
#984424
oklch(49.1% 0.122 40.4)
-
Step 800
800
#7C381F
oklch(42.7% 0.102 40.1)
-
Step 900
900
#64311F
oklch(37.7% 0.079 39.9)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#C66E4E 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) | #857A4B | 0.113 |
| Deuteranopia (no green cones) | #9A8D4D | 0.105 |
| Tritanopia (no blue cones) | #D85E66 | 0.062 |
| Achromatopsia (no color) | #868686 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66E4E
#C66E4E
oklch(63.1% 0.121 40.5)
- #0099BA
#0099BA
oklch(63.2% 0.115 220.3)
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 #C66E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.016
- Adobe #BD6C48 ΔE 0.019
- Terracotta #CA6641 ΔE 0.019
- Terra Cotta #C9643B ΔE 0.024
- Clay #B66A50 ΔE 0.032
- Pinkish Brown #B17261 ΔE 0.041
- Chocolate #D2691E ΔE 0.042
- Clay Brown #B2713D ΔE 0.043
Use #C66E4E 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.