#C75A00
Closest named color: Rusty Orange (#CD5909). oklch(59.4% 0.16 48.8), rgb(199, 90, 0).
Aa
Black text reads best on this color (4.89:1).
About this color
#C75A00 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.160 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.012 away. Black text reads best on it, at 4.89:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #C75A00 |
| RGB | rgb(199, 90, 0) |
| HSL | hsl(27, 100%, 39%) |
| OKLCH | oklch(59.4% 0.16 48.8) |
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 #C75A00 | 4.29:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #C75A00 | 4.89:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #C75A00 text on white | 4.29:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #C75A00 text on black | 4.89:1 | AA | Lc -32.7 | 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
#FCF4EF
oklch(97.2% 0.011 54.5)
-
Step 100
100
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F2D1C1
oklch(88.4% 0.043 47.5)
-
Step 300
300
#EBB294
oklch(80.9% 0.078 49)
-
Step 400
400
#DF8757
oklch(70.7% 0.125 48.4)
-
Step 500
500 (this color)
#C75A00
oklch(59.4% 0.16 48.8)
-
Step 600
600
#B65200
oklch(55.7% 0.149 48.9)
-
Step 700
700
#9A4400
oklch(49.2% 0.132 48.7)
-
Step 800
800
#7F3700
oklch(42.8% 0.115 48.9)
-
Step 900
900
#6B2D00
oklch(37.8% 0.102 48.7)
-
Step 950
950
#3F1B04
oklch(27% 0.065 49.8)
#C75A00 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) | #7A6B00 | 0.142 |
| Deuteranopia (no green cones) | #948300 | 0.128 |
| Tritanopia (no blue cones) | #DB3F4D | 0.092 |
| Achromatopsia (no color) | #7A7A7A | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C75A00
#C75A00
oklch(59.4% 0.16 48.8)
- #008BB5
#008BB5
oklch(59.5% 0.116 228.3)
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 #C75A00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.012
- Rust Orange #C45508 ΔE 0.013
- Orange Brown #BE6400 ΔE 0.026
- Rust #CA6702 ΔE 0.030
- Burnt Orange #C04E01 ΔE 0.030
- Copper #B66325 ΔE 0.034
- Terra Cotta #C9643B ΔE 0.035
- Brick Orange #C14A09 ΔE 0.037
Use #C75A00 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.