#CC660B
Closest named color: Rust (#CA6702). oklch(62% 0.155 52.6), rgb(204, 102, 11).
Aa
Black text reads best on this color (5.47:1).
About this color
#CC660B is a medium-light, vivid orange. In OKLCH its lightness is 62%, its chroma 0.155 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Rust (#CA6702), ΔE 0.005 away. Black text reads best on it, at 5.47:1.
| Hue family | Oranges |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Rust (#CA6702) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #CC660B |
| RGB | rgb(204, 102, 11) |
| HSL | hsl(28, 90%, 42%) |
| OKLCH | oklch(62% 0.155 52.6) |
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 #CC660B | 3.83:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #CC660B | 5.47:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #CC660B text on white | 3.83:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #CC660B text on black | 5.47:1 | AA | Lc -36.4 | 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
#FBF4EF
oklch(97.1% 0.01 58.2)
-
Step 100
100
#F6E6DD
oklch(93.5% 0.021 51.5)
-
Step 200
200
#F1D2C0
oklch(88.5% 0.043 52)
-
Step 300
300
#E9B493
oklch(81% 0.076 53.3)
-
Step 400
400
#DB8A55
oklch(70.7% 0.121 52.8)
-
Step 500
500 (this color)
#CC660B
oklch(62% 0.155 52.6)
-
Step 600
600
#B15600
oklch(55.5% 0.142 52.5)
-
Step 700
700
#964800
oklch(49.2% 0.125 52.6)
-
Step 800
800
#7B3A00
oklch(42.6% 0.109 52.7)
-
Step 900
900
#683000
oklch(37.8% 0.096 52.7)
-
Step 950
950
#3E1C03
oklch(27% 0.064 53.1)
#CC660B 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) | #847400 | 0.130 |
| Deuteranopia (no green cones) | #9D8B06 | 0.118 |
| Tritanopia (no blue cones) | #E04E57 | 0.096 |
| Achromatopsia (no color) | #828282 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CC660B
#CC660B
oklch(62% 0.155 52.6)
- #0092C6
#0092C6
oklch(62.1% 0.128 232.7)
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 #CC660B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust #CA6702 ΔE 0.005
- Browny Orange #CA6B02 ΔE 0.012
- Chocolate #D2691E ΔE 0.015
- Rusty Orange #CD5909 ΔE 0.027
- Orange Brown #BE6400 ΔE 0.028
- Tiger's Eye #BC6C25 ΔE 0.030
- Terra Cotta #C9643B ΔE 0.032
- Brown Orange #B96902 ΔE 0.036
Use #CC660B 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.