#C66F18
Closest named color: Browny Orange (#CA6B02). oklch(62.7% 0.142 58.2), rgb(198, 111, 24).
Aa
Black text reads best on this color (5.68:1).
About this color
#C66F18 is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.142 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Browny Orange (#CA6B02), ΔE 0.011 away. Black text reads best on it, at 5.68:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Browny Orange (#CA6B02) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #C66F18 |
| RGB | rgb(198, 111, 24) |
| HSL | hsl(30, 78%, 44%) |
| OKLCH | oklch(62.7% 0.142 58.2) |
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 #C66F18 | 3.69:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #C66F18 | 5.68:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #C66F18 text on white | 3.69:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #C66F18 text on black | 5.68:1 | AA | Lc -37.6 | 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
#FAF4EF
oklch(97% 0.009 62.6)
-
Step 100
100
#F5E7DD
oklch(93.6% 0.02 58.1)
-
Step 200
200
#EDD4C1
oklch(88.6% 0.038 59.5)
-
Step 300
300
#E3B695
oklch(80.8% 0.069 57.8)
-
Step 400
400
#D48E57
oklch(70.6% 0.111 57.8)
-
Step 500
500 (this color)
#C66F18
oklch(62.7% 0.142 58.2)
-
Step 600
600
#AB5C00
oklch(55.6% 0.133 58.3)
-
Step 700
700
#904D00
oklch(49.1% 0.117 58.7)
-
Step 800
800
#773E00
oklch(42.7% 0.102 58.2)
-
Step 900
900
#643300
oklch(37.7% 0.09 58)
-
Step 950
950
#3B1E04
oklch(27% 0.059 58.4)
#C66F18 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) | #897900 | 0.110 |
| Deuteranopia (no green cones) | #9E8D18 | 0.098 |
| Tritanopia (no blue cones) | #D95B5F | 0.098 |
| Achromatopsia (no color) | #858585 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66F18
#C66F18
oklch(62.7% 0.142 58.2)
- #0092D2
#0092D2
oklch(62.7% 0.14 238.3)
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 #C66F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Browny Orange #CA6B02 ΔE 0.011
- Rust #CA6702 ΔE 0.018
- Tiger's Eye #BC6C25 ΔE 0.021
- Chocolate #D2691E ΔE 0.025
- Brown Orange #B96902 ΔE 0.030
- Orange Brown #BE6400 ΔE 0.031
- Clay Brown #B2713D ΔE 0.040
- Terra Cotta #C9643B ΔE 0.042
Use #C66F18 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.